Home / 10,587.36-15,885.92-5,393.60

Finding the Fourth Proportional to 10,587.36, 15,885.92 and 5,393.60

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Solution

The fourth proportional to 10,587.36, 15,885.92 and 5,393.60 is: 8,092.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,587.36 : 15,885.92 = 5,393.60 : x
  2. Step 2: Convert to fraction form
    10,587.36/15,885.92 = 5,393.60/x
  3. Step 3: Cross multiply
    10,587.36x = 15,885.92 × 5,393.60
  4. Step 4: Simplify right side
    10,587.36x = 85,682,298.11
  5. Step 5: Solve for x
    x = 85,682,298.11/10,587.36
  6. Step 6: Final answer
    x = 8,092.89

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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.