Home / 9,326.15-12,869.77-5,077.13

Finding the Fourth Proportional to 9,326.15, 12,869.77 and 5,077.13

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Solution

The fourth proportional to 9,326.15, 12,869.77 and 5,077.13 is: 7,006.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,326.15 : 12,869.77 = 5,077.13 : x
  2. Step 2: Convert to fraction form
    9,326.15/12,869.77 = 5,077.13/x
  3. Step 3: Cross multiply
    9,326.15x = 12,869.77 × 5,077.13
  4. Step 4: Simplify right side
    9,326.15x = 65,341,521.65
  5. Step 5: Solve for x
    x = 65,341,521.65/9,326.15
  6. Step 6: Final answer
    x = 7,006.27

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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.