Home / 14,480.46-21,686.63-7,061.66

Finding the Fourth Proportional to 14,480.46, 21,686.63 and 7,061.66

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Solution

The fourth proportional to 14,480.46, 21,686.63 and 7,061.66 is: 10,575.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,480.46 : 21,686.63 = 7,061.66 : x
  2. Step 2: Convert to fraction form
    14,480.46/21,686.63 = 7,061.66/x
  3. Step 3: Cross multiply
    14,480.46x = 21,686.63 × 7,061.66
  4. Step 4: Simplify right side
    14,480.46x = 153,143,607.61
  5. Step 5: Solve for x
    x = 153,143,607.61/14,480.46
  6. Step 6: Final answer
    x = 10,575.88

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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.