Home / 10,548.56-15,825.24-5,615.60

Finding the Fourth Proportional to 10,548.56, 15,825.24 and 5,615.60

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Solution

The fourth proportional to 10,548.56, 15,825.24 and 5,615.60 is: 8,424.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,548.56 : 15,825.24 = 5,615.60 : x
  2. Step 2: Convert to fraction form
    10,548.56/15,825.24 = 5,615.60/x
  3. Step 3: Cross multiply
    10,548.56x = 15,825.24 × 5,615.60
  4. Step 4: Simplify right side
    10,548.56x = 88,868,217.74
  5. Step 5: Solve for x
    x = 88,868,217.74/10,548.56
  6. Step 6: Final answer
    x = 8,424.68

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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.