Home / 14,820.17-20,450.60-8,359.45

Finding the Fourth Proportional to 14,820.17, 20,450.60 and 8,359.45

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Solution

The fourth proportional to 14,820.17, 20,450.60 and 8,359.45 is: 11,535.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,820.17 : 20,450.60 = 8,359.45 : x
  2. Step 2: Convert to fraction form
    14,820.17/20,450.60 = 8,359.45/x
  3. Step 3: Cross multiply
    14,820.17x = 20,450.60 × 8,359.45
  4. Step 4: Simplify right side
    14,820.17x = 170,955,700.81
  5. Step 5: Solve for x
    x = 170,955,700.81/14,820.17
  6. Step 6: Final answer
    x = 11,535.34

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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.