Home / 14,432.04-19,929.96-13,645.79

Finding the Fourth Proportional to 14,432.04, 19,929.96 and 13,645.79

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Solution

The fourth proportional to 14,432.04, 19,929.96 and 13,645.79 is: 18,844.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,432.04 : 19,929.96 = 13,645.79 : x
  2. Step 2: Convert to fraction form
    14,432.04/19,929.96 = 13,645.79/x
  3. Step 3: Cross multiply
    14,432.04x = 19,929.96 × 13,645.79
  4. Step 4: Simplify right side
    14,432.04x = 271,960,023.96
  5. Step 5: Solve for x
    x = 271,960,023.96/14,432.04
  6. Step 6: Final answer
    x = 18,844.18

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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.