Home / 10,307.34-14,224.17-5,591.70

Finding the Fourth Proportional to 10,307.34, 14,224.17 and 5,591.70

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Solution

The fourth proportional to 10,307.34, 14,224.17 and 5,591.70 is: 7,716.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,307.34 : 14,224.17 = 5,591.70 : x
  2. Step 2: Convert to fraction form
    10,307.34/14,224.17 = 5,591.70/x
  3. Step 3: Cross multiply
    10,307.34x = 14,224.17 × 5,591.70
  4. Step 4: Simplify right side
    10,307.34x = 79,537,291.39
  5. Step 5: Solve for x
    x = 79,537,291.39/10,307.34
  6. Step 6: Final answer
    x = 7,716.57

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Half 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.