Home / 11,117.52-16,679.28-5,564.16

Finding the Fourth Proportional to 11,117.52, 16,679.28 and 5,564.16

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Solution

The fourth proportional to 11,117.52, 16,679.28 and 5,564.16 is: 8,347.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,117.52 : 16,679.28 = 5,564.16 : x
  2. Step 2: Convert to fraction form
    11,117.52/16,679.28 = 5,564.16/x
  3. Step 3: Cross multiply
    11,117.52x = 16,679.28 × 5,564.16
  4. Step 4: Simplify right side
    11,117.52x = 92,806,182.60
  5. Step 5: Solve for x
    x = 92,806,182.60/11,117.52
  6. Step 6: Final answer
    x = 8,347.74

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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.