Home / 35,449.49-53,174.18-9,154.10

Finding the Fourth Proportional to 35,449.49, 53,174.18 and 9,154.10

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Solution

The fourth proportional to 35,449.49, 53,174.18 and 9,154.10 is: 13,731.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,449.49 : 53,174.18 = 9,154.10 : x
  2. Step 2: Convert to fraction form
    35,449.49/53,174.18 = 9,154.10/x
  3. Step 3: Cross multiply
    35,449.49x = 53,174.18 × 9,154.10
  4. Step 4: Simplify right side
    35,449.49x = 486,761,518.15
  5. Step 5: Solve for x
    x = 486,761,518.15/35,449.49
  6. Step 6: Final answer
    x = 13,731.13

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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.