Home / 21,613.31-32,423.42-9,133.45

Finding the Fourth Proportional to 21,613.31, 32,423.42 and 9,133.45

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Solution

The fourth proportional to 21,613.31, 32,423.42 and 9,133.45 is: 13,701.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,613.31 : 32,423.42 = 9,133.45 : x
  2. Step 2: Convert to fraction form
    21,613.31/32,423.42 = 9,133.45/x
  3. Step 3: Cross multiply
    21,613.31x = 32,423.42 × 9,133.45
  4. Step 4: Simplify right side
    21,613.31x = 296,137,639.73
  5. Step 5: Solve for x
    x = 296,137,639.73/21,613.31
  6. Step 6: Final answer
    x = 13,701.64

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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.