Home / 15,155.52-20,925.06-9,492.72

Finding the Fourth Proportional to 15,155.52, 20,925.06 and 9,492.72

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Solution

The fourth proportional to 15,155.52, 20,925.06 and 9,492.72 is: 13,106.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,155.52 : 20,925.06 = 9,492.72 : x
  2. Step 2: Convert to fraction form
    15,155.52/20,925.06 = 9,492.72/x
  3. Step 3: Cross multiply
    15,155.52x = 20,925.06 × 9,492.72
  4. Step 4: Simplify right side
    15,155.52x = 198,635,735.56
  5. Step 5: Solve for x
    x = 198,635,735.56/15,155.52
  6. Step 6: Final answer
    x = 13,106.49

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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.