Home / 13,864.60-20,806.02-5,099.62

Finding the Fourth Proportional to 13,864.60, 20,806.02 and 5,099.62

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Solution

The fourth proportional to 13,864.60, 20,806.02 and 5,099.62 is: 7,652.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,864.60 : 20,806.02 = 5,099.62 : x
  2. Step 2: Convert to fraction form
    13,864.60/20,806.02 = 5,099.62/x
  3. Step 3: Cross multiply
    13,864.60x = 20,806.02 × 5,099.62
  4. Step 4: Simplify right side
    13,864.60x = 106,102,795.71
  5. Step 5: Solve for x
    x = 106,102,795.71/13,864.60
  6. Step 6: Final answer
    x = 7,652.78

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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.