Home / 13,641.66-20,462.76-4,281.48

Finding the Fourth Proportional to 13,641.66, 20,462.76 and 4,281.48

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Solution

The fourth proportional to 13,641.66, 20,462.76 and 4,281.48 is: 6,422.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,641.66 : 20,462.76 = 4,281.48 : x
  2. Step 2: Convert to fraction form
    13,641.66/20,462.76 = 4,281.48/x
  3. Step 3: Cross multiply
    13,641.66x = 20,462.76 × 4,281.48
  4. Step 4: Simplify right side
    13,641.66x = 87,610,897.68
  5. Step 5: Solve for x
    x = 87,610,897.68/13,641.66
  6. Step 6: Final answer
    x = 6,422.30

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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.