Home / 14,378.31-19,841.90-8,004.91

Finding the Fourth Proportional to 14,378.31, 19,841.90 and 8,004.91

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Solution

The fourth proportional to 14,378.31, 19,841.90 and 8,004.91 is: 11,046.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,378.31 : 19,841.90 = 8,004.91 : x
  2. Step 2: Convert to fraction form
    14,378.31/19,841.90 = 8,004.91/x
  3. Step 3: Cross multiply
    14,378.31x = 19,841.90 × 8,004.91
  4. Step 4: Simplify right side
    14,378.31x = 158,832,688.78
  5. Step 5: Solve for x
    x = 158,832,688.78/14,378.31
  6. Step 6: Final answer
    x = 11,046.69

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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.