Home / 10,384.54-14,345.13-9,265.12

Finding the Fourth Proportional to 10,384.54, 14,345.13 and 9,265.12

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Solution

The fourth proportional to 10,384.54, 14,345.13 and 9,265.12 is: 12,798.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,384.54 : 14,345.13 = 9,265.12 : x
  2. Step 2: Convert to fraction form
    10,384.54/14,345.13 = 9,265.12/x
  3. Step 3: Cross multiply
    10,384.54x = 14,345.13 × 9,265.12
  4. Step 4: Simplify right side
    10,384.54x = 132,909,350.87
  5. Step 5: Solve for x
    x = 132,909,350.87/10,384.54
  6. Step 6: Final answer
    x = 12,798.77

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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.