Home / 14,675.20-22,012.80-8,770.30

Finding the Fourth Proportional to 14,675.20, 22,012.80 and 8,770.30

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Solution

The fourth proportional to 14,675.20, 22,012.80 and 8,770.30 is: 13,155.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,675.20 : 22,012.80 = 8,770.30 : x
  2. Step 2: Convert to fraction form
    14,675.20/22,012.80 = 8,770.30/x
  3. Step 3: Cross multiply
    14,675.20x = 22,012.80 × 8,770.30
  4. Step 4: Simplify right side
    14,675.20x = 193,058,859.84
  5. Step 5: Solve for x
    x = 193,058,859.84/14,675.20
  6. Step 6: Final answer
    x = 13,155.45

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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.