Home / 21,613.05-32,423.04-9,133.20

Finding the Fourth Proportional to 21,613.05, 32,423.04 and 9,133.20

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Solution

The fourth proportional to 21,613.05, 32,423.04 and 9,133.20 is: 13,701.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,613.05 : 32,423.04 = 9,133.20 : x
  2. Step 2: Convert to fraction form
    21,613.05/32,423.04 = 9,133.20/x
  3. Step 3: Cross multiply
    21,613.05x = 32,423.04 × 9,133.20
  4. Step 4: Simplify right side
    21,613.05x = 296,126,108.93
  5. Step 5: Solve for x
    x = 296,126,108.93/21,613.05
  6. Step 6: Final answer
    x = 13,701.26

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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.