Home / 12,957.13-19,419.63-9,202.92

Finding the Fourth Proportional to 12,957.13, 19,419.63 and 9,202.92

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Solution

The fourth proportional to 12,957.13, 19,419.63 and 9,202.92 is: 13,792.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,957.13 : 19,419.63 = 9,202.92 : x
  2. Step 2: Convert to fraction form
    12,957.13/19,419.63 = 9,202.92/x
  3. Step 3: Cross multiply
    12,957.13x = 19,419.63 × 9,202.92
  4. Step 4: Simplify right side
    12,957.13x = 178,717,301.32
  5. Step 5: Solve for x
    x = 178,717,301.32/12,957.13
  6. Step 6: Final answer
    x = 13,792.97

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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.