Home / 15,909.75-23,696.57-15,077.07

Finding the Fourth Proportional to 15,909.75, 23,696.57 and 15,077.07

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Solution

The fourth proportional to 15,909.75, 23,696.57 and 15,077.07 is: 22,456.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,909.75 : 23,696.57 = 15,077.07 : x
  2. Step 2: Convert to fraction form
    15,909.75/23,696.57 = 15,077.07/x
  3. Step 3: Cross multiply
    15,909.75x = 23,696.57 × 15,077.07
  4. Step 4: Simplify right side
    15,909.75x = 357,274,882.34
  5. Step 5: Solve for x
    x = 357,274,882.34/15,909.75
  6. Step 6: Final answer
    x = 22,456.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.