Home / 14,685.40-22,013.62-9,405.42

Finding the Fourth Proportional to 14,685.40, 22,013.62 and 9,405.42

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Solution

The fourth proportional to 14,685.40, 22,013.62 and 9,405.42 is: 14,098.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,685.40 : 22,013.62 = 9,405.42 : x
  2. Step 2: Convert to fraction form
    14,685.40/22,013.62 = 9,405.42/x
  3. Step 3: Cross multiply
    14,685.40x = 22,013.62 × 9,405.42
  4. Step 4: Simplify right side
    14,685.40x = 207,047,341.82
  5. Step 5: Solve for x
    x = 207,047,341.82/14,685.40
  6. Step 6: Final answer
    x = 14,098.86

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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.