Home / 19,742.63-29,613.95-9,871.97

Finding the Fourth Proportional to 19,742.63, 29,613.95 and 9,871.97

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Solution

The fourth proportional to 19,742.63, 29,613.95 and 9,871.97 is: 14,807.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,742.63 : 29,613.95 = 9,871.97 : x
  2. Step 2: Convert to fraction form
    19,742.63/29,613.95 = 9,871.97/x
  3. Step 3: Cross multiply
    19,742.63x = 29,613.95 × 9,871.97
  4. Step 4: Simplify right side
    19,742.63x = 292,348,025.98
  5. Step 5: Solve for x
    x = 292,348,025.98/19,742.63
  6. Step 6: Final answer
    x = 14,807.96

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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.