Home / 13,423.24-18,523.14-7,454.76

Finding the Fourth Proportional to 13,423.24, 18,523.14 and 7,454.76

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Solution

The fourth proportional to 13,423.24, 18,523.14 and 7,454.76 is: 10,287.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,423.24 : 18,523.14 = 7,454.76 : x
  2. Step 2: Convert to fraction form
    13,423.24/18,523.14 = 7,454.76/x
  3. Step 3: Cross multiply
    13,423.24x = 18,523.14 × 7,454.76
  4. Step 4: Simplify right side
    13,423.24x = 138,085,563.15
  5. Step 5: Solve for x
    x = 138,085,563.15/13,423.24
  6. Step 6: Final answer
    x = 10,287.05

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Double scale
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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.