Home / 11,394.48-15,724.08-6,358.80

Finding the Fourth Proportional to 11,394.48, 15,724.08 and 6,358.80

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Solution

The fourth proportional to 11,394.48, 15,724.08 and 6,358.80 is: 8,774.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,394.48 : 15,724.08 = 6,358.80 : x
  2. Step 2: Convert to fraction form
    11,394.48/15,724.08 = 6,358.80/x
  3. Step 3: Cross multiply
    11,394.48x = 15,724.08 × 6,358.80
  4. Step 4: Simplify right side
    11,394.48x = 99,986,279.90
  5. Step 5: Solve for x
    x = 99,986,279.90/11,394.48
  6. Step 6: Final answer
    x = 8,774.98

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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.