Home / 13,445.04-20,167.60-4,677.86

Finding the Fourth Proportional to 13,445.04, 20,167.60 and 4,677.86

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Solution

The fourth proportional to 13,445.04, 20,167.60 and 4,677.86 is: 7,016.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,445.04 : 20,167.60 = 4,677.86 : x
  2. Step 2: Convert to fraction form
    13,445.04/20,167.60 = 4,677.86/x
  3. Step 3: Cross multiply
    13,445.04x = 20,167.60 × 4,677.86
  4. Step 4: Simplify right side
    13,445.04x = 94,341,209.34
  5. Step 5: Solve for x
    x = 94,341,209.34/13,445.04
  6. Step 6: Final answer
    x = 7,016.80

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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.