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Finding the Fourth Proportional to 14,551.95, 21,807.42 and 6,635.01

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Solution

The fourth proportional to 14,551.95, 21,807.42 and 6,635.01 is: 9,943.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,551.95 : 21,807.42 = 6,635.01 : x
  2. Step 2: Convert to fraction form
    14,551.95/21,807.42 = 6,635.01/x
  3. Step 3: Cross multiply
    14,551.95x = 21,807.42 × 6,635.01
  4. Step 4: Simplify right side
    14,551.95x = 144,692,340.74
  5. Step 5: Solve for x
    x = 144,692,340.74/14,551.95
  6. Step 6: Final answer
    x = 9,943.16

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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.