Home / 14,434.30-19,920.21-8,060.88

Finding the Fourth Proportional to 14,434.30, 19,920.21 and 8,060.88

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Solution

The fourth proportional to 14,434.30, 19,920.21 and 8,060.88 is: 11,124.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,434.30 : 19,920.21 = 8,060.88 : x
  2. Step 2: Convert to fraction form
    14,434.30/19,920.21 = 8,060.88/x
  3. Step 3: Cross multiply
    14,434.30x = 19,920.21 × 8,060.88
  4. Step 4: Simplify right side
    14,434.30x = 160,574,422.38
  5. Step 5: Solve for x
    x = 160,574,422.38/14,434.30
  6. Step 6: Final answer
    x = 11,124.51

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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.