Home / 10,339.49-15,500.47-4,715.14

Finding the Fourth Proportional to 10,339.49, 15,500.47 and 4,715.14

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Solution

The fourth proportional to 10,339.49, 15,500.47 and 4,715.14 is: 7,068.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,339.49 : 15,500.47 = 4,715.14 : x
  2. Step 2: Convert to fraction form
    10,339.49/15,500.47 = 4,715.14/x
  3. Step 3: Cross multiply
    10,339.49x = 15,500.47 × 4,715.14
  4. Step 4: Simplify right side
    10,339.49x = 73,086,952.63
  5. Step 5: Solve for x
    x = 73,086,952.63/10,339.49
  6. Step 6: Final answer
    x = 7,068.72

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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.