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Finding the Fourth Proportional to 22,693.93, 34,038.16 and 7,901.61

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Solution

The fourth proportional to 22,693.93, 34,038.16 and 7,901.61 is: 11,851.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,693.93 : 34,038.16 = 7,901.61 : x
  2. Step 2: Convert to fraction form
    22,693.93/34,038.16 = 7,901.61/x
  3. Step 3: Cross multiply
    22,693.93x = 34,038.16 × 7,901.61
  4. Step 4: Simplify right side
    22,693.93x = 268,956,118.04
  5. Step 5: Solve for x
    x = 268,956,118.04/22,693.93
  6. Step 6: Final answer
    x = 11,851.46

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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.