Home / 14,938.12-20,615.82-8,565.31

Finding the Fourth Proportional to 14,938.12, 20,615.82 and 8,565.31

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Solution

The fourth proportional to 14,938.12, 20,615.82 and 8,565.31 is: 11,820.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,938.12 : 20,615.82 = 8,565.31 : x
  2. Step 2: Convert to fraction form
    14,938.12/20,615.82 = 8,565.31/x
  3. Step 3: Cross multiply
    14,938.12x = 20,615.82 × 8,565.31
  4. Step 4: Simplify right side
    14,938.12x = 176,580,847.83
  5. Step 5: Solve for x
    x = 176,580,847.83/14,938.12
  6. Step 6: Final answer
    x = 11,820.82

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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.