Home / 13,731.02-20,587.20-4,368.23

Finding the Fourth Proportional to 13,731.02, 20,587.20 and 4,368.23

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Solution

The fourth proportional to 13,731.02, 20,587.20 and 4,368.23 is: 6,549.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,731.02 : 20,587.20 = 4,368.23 : x
  2. Step 2: Convert to fraction form
    13,731.02/20,587.20 = 4,368.23/x
  3. Step 3: Cross multiply
    13,731.02x = 20,587.20 × 4,368.23
  4. Step 4: Simplify right side
    13,731.02x = 89,929,624.66
  5. Step 5: Solve for x
    x = 89,929,624.66/13,731.02
  6. Step 6: Final answer
    x = 6,549.38

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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.