Home / 15,480.98-21,367.15-10,176.29

Finding the Fourth Proportional to 15,480.98, 21,367.15 and 10,176.29

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Solution

The fourth proportional to 15,480.98, 21,367.15 and 10,176.29 is: 14,045.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,480.98 : 21,367.15 = 10,176.29 : x
  2. Step 2: Convert to fraction form
    15,480.98/21,367.15 = 10,176.29/x
  3. Step 3: Cross multiply
    15,480.98x = 21,367.15 × 10,176.29
  4. Step 4: Simplify right side
    15,480.98x = 217,438,182.60
  5. Step 5: Solve for x
    x = 217,438,182.60/15,480.98
  6. Step 6: Final answer
    x = 14,045.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.