Home / 15,072.90-22,609.53-10,391.65

Finding the Fourth Proportional to 15,072.90, 22,609.53 and 10,391.65

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Solution

The fourth proportional to 15,072.90, 22,609.53 and 10,391.65 is: 15,587.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,072.90 : 22,609.53 = 10,391.65 : x
  2. Step 2: Convert to fraction form
    15,072.90/22,609.53 = 10,391.65/x
  3. Step 3: Cross multiply
    15,072.90x = 22,609.53 × 10,391.65
  4. Step 4: Simplify right side
    15,072.90x = 234,950,322.42
  5. Step 5: Solve for x
    x = 234,950,322.42/15,072.90
  6. Step 6: Final answer
    x = 15,587.60

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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.