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Finding the Fourth Proportional to 22,053, 30,432.90 and 11,981.46

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Solution

The fourth proportional to 22,053, 30,432.90 and 11,981.46 is: 16,534.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,053 : 30,432.90 = 11,981.46 : x
  2. Step 2: Convert to fraction form
    22,053/30,432.90 = 11,981.46/x
  3. Step 3: Cross multiply
    22,053x = 30,432.90 × 11,981.46
  4. Step 4: Simplify right side
    22,053x = 364,630,574.03
  5. Step 5: Solve for x
    x = 364,630,574.03/22,053
  6. Step 6: Final answer
    x = 16,534.28

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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.