Home / 13,355.66-20,035.02-4,472.12

Finding the Fourth Proportional to 13,355.66, 20,035.02 and 4,472.12

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Solution

The fourth proportional to 13,355.66, 20,035.02 and 4,472.12 is: 6,708.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,355.66 : 20,035.02 = 4,472.12 : x
  2. Step 2: Convert to fraction form
    13,355.66/20,035.02 = 4,472.12/x
  3. Step 3: Cross multiply
    13,355.66x = 20,035.02 × 4,472.12
  4. Step 4: Simplify right side
    13,355.66x = 89,599,013.64
  5. Step 5: Solve for x
    x = 89,599,013.64/13,355.66
  6. Step 6: Final answer
    x = 6,708.69

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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.