Home / 10,523.52-15,778.80-9,525.60

Finding the Fourth Proportional to 10,523.52, 15,778.80 and 9,525.60

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Solution

The fourth proportional to 10,523.52, 15,778.80 and 9,525.60 is: 14,282.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,523.52 : 15,778.80 = 9,525.60 : x
  2. Step 2: Convert to fraction form
    10,523.52/15,778.80 = 9,525.60/x
  3. Step 3: Cross multiply
    10,523.52x = 15,778.80 × 9,525.60
  4. Step 4: Simplify right side
    10,523.52x = 150,302,537.28
  5. Step 5: Solve for x
    x = 150,302,537.28/10,523.52
  6. Step 6: Final answer
    x = 14,282.53

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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.