Home / 15,561.57-23,346.45-8,164.05

Finding the Fourth Proportional to 15,561.57, 23,346.45 and 8,164.05

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Solution

The fourth proportional to 15,561.57, 23,346.45 and 8,164.05 is: 12,248.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,561.57 : 23,346.45 = 8,164.05 : x
  2. Step 2: Convert to fraction form
    15,561.57/23,346.45 = 8,164.05/x
  3. Step 3: Cross multiply
    15,561.57x = 23,346.45 × 8,164.05
  4. Step 4: Simplify right side
    15,561.57x = 190,601,585.12
  5. Step 5: Solve for x
    x = 190,601,585.12/15,561.57
  6. Step 6: Final answer
    x = 12,248.22

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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.