Home / 22,541.08-31,094.18-13,108.60

Finding the Fourth Proportional to 22,541.08, 31,094.18 and 13,108.60

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Solution

The fourth proportional to 22,541.08, 31,094.18 and 13,108.60 is: 18,082.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,541.08 : 31,094.18 = 13,108.60 : x
  2. Step 2: Convert to fraction form
    22,541.08/31,094.18 = 13,108.60/x
  3. Step 3: Cross multiply
    22,541.08x = 31,094.18 × 13,108.60
  4. Step 4: Simplify right side
    22,541.08x = 407,601,167.95
  5. Step 5: Solve for x
    x = 407,601,167.95/22,541.08
  6. Step 6: Final answer
    x = 18,082.59

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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.