Home / 14,448.32-19,938.48-8,162.72

Finding the Fourth Proportional to 14,448.32, 19,938.48 and 8,162.72

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Solution

The fourth proportional to 14,448.32, 19,938.48 and 8,162.72 is: 11,264.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,448.32 : 19,938.48 = 8,162.72 : x
  2. Step 2: Convert to fraction form
    14,448.32/19,938.48 = 8,162.72/x
  3. Step 3: Cross multiply
    14,448.32x = 19,938.48 × 8,162.72
  4. Step 4: Simplify right side
    14,448.32x = 162,752,229.47
  5. Step 5: Solve for x
    x = 162,752,229.47/14,448.32
  6. Step 6: Final answer
    x = 11,264.44

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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.