Home / 15,397.65-23,114.70-15,288.30

Finding the Fourth Proportional to 15,397.65, 23,114.70 and 15,288.30

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Solution

The fourth proportional to 15,397.65, 23,114.70 and 15,288.30 is: 22,950.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,397.65 : 23,114.70 = 15,288.30 : x
  2. Step 2: Convert to fraction form
    15,397.65/23,114.70 = 15,288.30/x
  3. Step 3: Cross multiply
    15,397.65x = 23,114.70 × 15,288.30
  4. Step 4: Simplify right side
    15,397.65x = 353,384,468.01
  5. Step 5: Solve for x
    x = 353,384,468.01/15,397.65
  6. Step 6: Final answer
    x = 22,950.55

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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.