Home / 9,326.48-12,870.36-5,134.80

Finding the Fourth Proportional to 9,326.48, 12,870.36 and 5,134.80

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Solution

The fourth proportional to 9,326.48, 12,870.36 and 5,134.80 is: 7,085.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,326.48 : 12,870.36 = 5,134.80 : x
  2. Step 2: Convert to fraction form
    9,326.48/12,870.36 = 5,134.80/x
  3. Step 3: Cross multiply
    9,326.48x = 12,870.36 × 5,134.80
  4. Step 4: Simplify right side
    9,326.48x = 66,086,724.53
  5. Step 5: Solve for x
    x = 66,086,724.53/9,326.48
  6. Step 6: Final answer
    x = 7,085.92

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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.