Home / 19,403.29-29,098.86-12,864.16

Finding the Fourth Proportional to 19,403.29, 29,098.86 and 12,864.16

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Solution

The fourth proportional to 19,403.29, 29,098.86 and 12,864.16 is: 19,292.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,403.29 : 29,098.86 = 12,864.16 : x
  2. Step 2: Convert to fraction form
    19,403.29/29,098.86 = 12,864.16/x
  3. Step 3: Cross multiply
    19,403.29x = 29,098.86 × 12,864.16
  4. Step 4: Simplify right side
    19,403.29x = 374,332,390.86
  5. Step 5: Solve for x
    x = 374,332,390.86/19,403.29
  6. Step 6: Final answer
    x = 19,292.21

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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.