Home / 15,156.35-20,925.33-11,170.52

Finding the Fourth Proportional to 15,156.35, 20,925.33 and 11,170.52

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Solution

The fourth proportional to 15,156.35, 20,925.33 and 11,170.52 is: 15,422.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,156.35 : 20,925.33 = 11,170.52 : x
  2. Step 2: Convert to fraction form
    15,156.35/20,925.33 = 11,170.52/x
  3. Step 3: Cross multiply
    15,156.35x = 20,925.33 × 11,170.52
  4. Step 4: Simplify right side
    15,156.35x = 233,746,712.64
  5. Step 5: Solve for x
    x = 233,746,712.64/15,156.35
  6. Step 6: Final answer
    x = 15,422.37

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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.