Home / 15,600.96-23,380.68-8,570.40

Finding the Fourth Proportional to 15,600.96, 23,380.68 and 8,570.40

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Solution

The fourth proportional to 15,600.96, 23,380.68 and 8,570.40 is: 12,844.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,600.96 : 23,380.68 = 8,570.40 : x
  2. Step 2: Convert to fraction form
    15,600.96/23,380.68 = 8,570.40/x
  3. Step 3: Cross multiply
    15,600.96x = 23,380.68 × 8,570.40
  4. Step 4: Simplify right side
    15,600.96x = 200,381,779.87
  5. Step 5: Solve for x
    x = 200,381,779.87/15,600.96
  6. Step 6: Final answer
    x = 12,844.20

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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.