Home / 13,662.02-20,502.76-10,545.14

Finding the Fourth Proportional to 13,662.02, 20,502.76 and 10,545.14

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Solution

The fourth proportional to 13,662.02, 20,502.76 and 10,545.14 is: 15,825.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,662.02 : 20,502.76 = 10,545.14 : x
  2. Step 2: Convert to fraction form
    13,662.02/20,502.76 = 10,545.14/x
  3. Step 3: Cross multiply
    13,662.02x = 20,502.76 × 10,545.14
  4. Step 4: Simplify right side
    13,662.02x = 216,204,474.59
  5. Step 5: Solve for x
    x = 216,204,474.59/13,662.02
  6. Step 6: Final answer
    x = 15,825.22

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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.