Home / 13,510.60-18,644.98-7,542.24

Finding the Fourth Proportional to 13,510.60, 18,644.98 and 7,542.24

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Solution

The fourth proportional to 13,510.60, 18,644.98 and 7,542.24 is: 10,408.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,510.60 : 18,644.98 = 7,542.24 : x
  2. Step 2: Convert to fraction form
    13,510.60/18,644.98 = 7,542.24/x
  3. Step 3: Cross multiply
    13,510.60x = 18,644.98 × 7,542.24
  4. Step 4: Simplify right side
    13,510.60x = 140,624,913.96
  5. Step 5: Solve for x
    x = 140,624,913.96/13,510.60
  6. Step 6: Final answer
    x = 10,408.49

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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.