Home / 15,342.13-23,020.08-9,114.31

Finding the Fourth Proportional to 15,342.13, 23,020.08 and 9,114.31

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Solution

The fourth proportional to 15,342.13, 23,020.08 and 9,114.31 is: 13,675.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,342.13 : 23,020.08 = 9,114.31 : x
  2. Step 2: Convert to fraction form
    15,342.13/23,020.08 = 9,114.31/x
  3. Step 3: Cross multiply
    15,342.13x = 23,020.08 × 9,114.31
  4. Step 4: Simplify right side
    15,342.13x = 209,812,145.34
  5. Step 5: Solve for x
    x = 209,812,145.34/15,342.13
  6. Step 6: Final answer
    x = 13,675.56

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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.