Home / 14,987.03-20,684.97-8,938.76

Finding the Fourth Proportional to 14,987.03, 20,684.97 and 8,938.76

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Solution

The fourth proportional to 14,987.03, 20,684.97 and 8,938.76 is: 12,337.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,987.03 : 20,684.97 = 8,938.76 : x
  2. Step 2: Convert to fraction form
    14,987.03/20,684.97 = 8,938.76/x
  3. Step 3: Cross multiply
    14,987.03x = 20,684.97 × 8,938.76
  4. Step 4: Simplify right side
    14,987.03x = 184,897,879.01
  5. Step 5: Solve for x
    x = 184,897,879.01/14,987.03
  6. Step 6: Final answer
    x = 12,337.20

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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.