Home / 14,750.95-20,356.53-8,377.06

Finding the Fourth Proportional to 14,750.95, 20,356.53 and 8,377.06

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Solution

The fourth proportional to 14,750.95, 20,356.53 and 8,377.06 is: 11,560.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,750.95 : 20,356.53 = 8,377.06 : x
  2. Step 2: Convert to fraction form
    14,750.95/20,356.53 = 8,377.06/x
  3. Step 3: Cross multiply
    14,750.95x = 20,356.53 × 8,377.06
  4. Step 4: Simplify right side
    14,750.95x = 170,527,873.20
  5. Step 5: Solve for x
    x = 170,527,873.20/14,750.95
  6. Step 6: Final answer
    x = 11,560.47

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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.