Home / 10,088.38-13,927-7,814.64

Finding the Fourth Proportional to 10,088.38, 13,927 and 7,814.64

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Solution

The fourth proportional to 10,088.38, 13,927 and 7,814.64 is: 10,788.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,088.38 : 13,927 = 7,814.64 : x
  2. Step 2: Convert to fraction form
    10,088.38/13,927 = 7,814.64/x
  3. Step 3: Cross multiply
    10,088.38x = 13,927 × 7,814.64
  4. Step 4: Simplify right side
    10,088.38x = 108,834,491.28
  5. Step 5: Solve for x
    x = 108,834,491.28/10,088.38
  6. Step 6: Final answer
    x = 10,788.10

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Half scale
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Double scale
Find fourth proportional to 10,089.38, 13,928.38 and 7,815.64
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.