Home / 14,260.13-19,677.89-7,971.65

Finding the Fourth Proportional to 14,260.13, 19,677.89 and 7,971.65

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Solution

The fourth proportional to 14,260.13, 19,677.89 and 7,971.65 is: 11,000.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,260.13 : 19,677.89 = 7,971.65 : x
  2. Step 2: Convert to fraction form
    14,260.13/19,677.89 = 7,971.65/x
  3. Step 3: Cross multiply
    14,260.13x = 19,677.89 × 7,971.65
  4. Step 4: Simplify right side
    14,260.13x = 156,865,211.96
  5. Step 5: Solve for x
    x = 156,865,211.96/14,260.13
  6. Step 6: Final answer
    x = 11,000.27

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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.