Home / 10,886.34-16,329.51-4,317.15

Finding the Fourth Proportional to 10,886.34, 16,329.51 and 4,317.15

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Solution

The fourth proportional to 10,886.34, 16,329.51 and 4,317.15 is: 6,475.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,886.34 : 16,329.51 = 4,317.15 : x
  2. Step 2: Convert to fraction form
    10,886.34/16,329.51 = 4,317.15/x
  3. Step 3: Cross multiply
    10,886.34x = 16,329.51 × 4,317.15
  4. Step 4: Simplify right side
    10,886.34x = 70,496,944.10
  5. Step 5: Solve for x
    x = 70,496,944.10/10,886.34
  6. Step 6: Final answer
    x = 6,475.73

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.