Home / 14,154.13-21,233.83-7,910.65

Finding the Fourth Proportional to 14,154.13, 21,233.83 and 7,910.65

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Solution

The fourth proportional to 14,154.13, 21,233.83 and 7,910.65 is: 11,867.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,154.13 : 21,233.83 = 7,910.65 : x
  2. Step 2: Convert to fraction form
    14,154.13/21,233.83 = 7,910.65/x
  3. Step 3: Cross multiply
    14,154.13x = 21,233.83 × 7,910.65
  4. Step 4: Simplify right side
    14,154.13x = 167,973,397.29
  5. Step 5: Solve for x
    x = 167,973,397.29/14,154.13
  6. Step 6: Final answer
    x = 11,867.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.