Home / 14,445.05-19,934.21-8,071.88

Finding the Fourth Proportional to 14,445.05, 19,934.21 and 8,071.88

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Solution

The fourth proportional to 14,445.05, 19,934.21 and 8,071.88 is: 11,139.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,445.05 : 19,934.21 = 8,071.88 : x
  2. Step 2: Convert to fraction form
    14,445.05/19,934.21 = 8,071.88/x
  3. Step 3: Cross multiply
    14,445.05x = 19,934.21 × 8,071.88
  4. Step 4: Simplify right side
    14,445.05x = 160,906,551.01
  5. Step 5: Solve for x
    x = 160,906,551.01/14,445.05
  6. Step 6: Final answer
    x = 11,139.22

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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.