Home / 14,766.95-20,376.90-9,100.80

Finding the Fourth Proportional to 14,766.95, 20,376.90 and 9,100.80

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Solution

The fourth proportional to 14,766.95, 20,376.90 and 9,100.80 is: 12,558.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,766.95 : 20,376.90 = 9,100.80 : x
  2. Step 2: Convert to fraction form
    14,766.95/20,376.90 = 9,100.80/x
  3. Step 3: Cross multiply
    14,766.95x = 20,376.90 × 9,100.80
  4. Step 4: Simplify right side
    14,766.95x = 185,446,091.52
  5. Step 5: Solve for x
    x = 185,446,091.52/14,766.95
  6. Step 6: Final answer
    x = 12,558.18

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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.