Home / 19,741.38-29,612.07-9,870.72

Finding the Fourth Proportional to 19,741.38, 29,612.07 and 9,870.72

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Solution

The fourth proportional to 19,741.38, 29,612.07 and 9,870.72 is: 14,806.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,741.38 : 29,612.07 = 9,870.72 : x
  2. Step 2: Convert to fraction form
    19,741.38/29,612.07 = 9,870.72/x
  3. Step 3: Cross multiply
    19,741.38x = 29,612.07 × 9,870.72
  4. Step 4: Simplify right side
    19,741.38x = 292,292,451.59
  5. Step 5: Solve for x
    x = 292,292,451.59/19,741.38
  6. Step 6: Final answer
    x = 14,806.08

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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.