Home / 15,557.20-23,319.60-8,526.40

Finding the Fourth Proportional to 15,557.20, 23,319.60 and 8,526.40

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Solution

The fourth proportional to 15,557.20, 23,319.60 and 8,526.40 is: 12,780.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,557.20 : 23,319.60 = 8,526.40 : x
  2. Step 2: Convert to fraction form
    15,557.20/23,319.60 = 8,526.40/x
  3. Step 3: Cross multiply
    15,557.20x = 23,319.60 × 8,526.40
  4. Step 4: Simplify right side
    15,557.20x = 198,832,237.44
  5. Step 5: Solve for x
    x = 198,832,237.44/15,557.20
  6. Step 6: Final answer
    x = 12,780.72

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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.