Home / 10,296.47-14,209.09-5,580.75

Finding the Fourth Proportional to 10,296.47, 14,209.09 and 5,580.75

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Solution

The fourth proportional to 10,296.47, 14,209.09 and 5,580.75 is: 7,701.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,296.47 : 14,209.09 = 5,580.75 : x
  2. Step 2: Convert to fraction form
    10,296.47/14,209.09 = 5,580.75/x
  3. Step 3: Cross multiply
    10,296.47x = 14,209.09 × 5,580.75
  4. Step 4: Simplify right side
    10,296.47x = 79,297,418.35
  5. Step 5: Solve for x
    x = 79,297,418.35/10,296.47
  6. Step 6: Final answer
    x = 7,701.42

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Half scale
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Double scale
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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.