Home / 15,516.70-23,280.45-5,656.30

Finding the Fourth Proportional to 15,516.70, 23,280.45 and 5,656.30

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Solution

The fourth proportional to 15,516.70, 23,280.45 and 5,656.30 is: 8,486.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,516.70 : 23,280.45 = 5,656.30 : x
  2. Step 2: Convert to fraction form
    15,516.70/23,280.45 = 5,656.30/x
  3. Step 3: Cross multiply
    15,516.70x = 23,280.45 × 5,656.30
  4. Step 4: Simplify right side
    15,516.70x = 131,681,209.34
  5. Step 5: Solve for x
    x = 131,681,209.34/15,516.70
  6. Step 6: Final answer
    x = 8,486.42

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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.