Home / 15,818.04-21,823.68-10,155.96

Finding the Fourth Proportional to 15,818.04, 21,823.68 and 10,155.96

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Solution

The fourth proportional to 15,818.04, 21,823.68 and 10,155.96 is: 14,011.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,818.04 : 21,823.68 = 10,155.96 : x
  2. Step 2: Convert to fraction form
    15,818.04/21,823.68 = 10,155.96/x
  3. Step 3: Cross multiply
    15,818.04x = 21,823.68 × 10,155.96
  4. Step 4: Simplify right side
    15,818.04x = 221,640,421.13
  5. Step 5: Solve for x
    x = 221,640,421.13/15,818.04
  6. Step 6: Final answer
    x = 14,011.88

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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.