Home / 14,677.12-20,250.75-8,708.50

Finding the Fourth Proportional to 14,677.12, 20,250.75 and 8,708.50

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Solution

The fourth proportional to 14,677.12, 20,250.75 and 8,708.50 is: 12,015.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,677.12 : 20,250.75 = 8,708.50 : x
  2. Step 2: Convert to fraction form
    14,677.12/20,250.75 = 8,708.50/x
  3. Step 3: Cross multiply
    14,677.12x = 20,250.75 × 8,708.50
  4. Step 4: Simplify right side
    14,677.12x = 176,353,656.38
  5. Step 5: Solve for x
    x = 176,353,656.38/14,677.12
  6. Step 6: Final answer
    x = 12,015.55

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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.