Home / 22,306.05-30,784.95-12,747.48

Finding the Fourth Proportional to 22,306.05, 30,784.95 and 12,747.48

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Solution

The fourth proportional to 22,306.05, 30,784.95 and 12,747.48 is: 17,593.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,306.05 : 30,784.95 = 12,747.48 : x
  2. Step 2: Convert to fraction form
    22,306.05/30,784.95 = 12,747.48/x
  3. Step 3: Cross multiply
    22,306.05x = 30,784.95 × 12,747.48
  4. Step 4: Simplify right side
    22,306.05x = 392,430,534.43
  5. Step 5: Solve for x
    x = 392,430,534.43/22,306.05
  6. Step 6: Final answer
    x = 17,593.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.