Home / 14,862.57-20,510.87-8,148.21

Finding the Fourth Proportional to 14,862.57, 20,510.87 and 8,148.21

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Solution

The fourth proportional to 14,862.57, 20,510.87 and 8,148.21 is: 11,244.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,862.57 : 20,510.87 = 8,148.21 : x
  2. Step 2: Convert to fraction form
    14,862.57/20,510.87 = 8,148.21/x
  3. Step 3: Cross multiply
    14,862.57x = 20,510.87 × 8,148.21
  4. Step 4: Simplify right side
    14,862.57x = 167,126,835.30
  5. Step 5: Solve for x
    x = 167,126,835.30/14,862.57
  6. Step 6: Final answer
    x = 11,244.81

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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.