Home / 15,130.36-20,882.40-8,841.52

Finding the Fourth Proportional to 15,130.36, 20,882.40 and 8,841.52

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Solution

The fourth proportional to 15,130.36, 20,882.40 and 8,841.52 is: 12,202.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,130.36 : 20,882.40 = 8,841.52 : x
  2. Step 2: Convert to fraction form
    15,130.36/20,882.40 = 8,841.52/x
  3. Step 3: Cross multiply
    15,130.36x = 20,882.40 × 8,841.52
  4. Step 4: Simplify right side
    15,130.36x = 184,632,157.25
  5. Step 5: Solve for x
    x = 184,632,157.25/15,130.36
  6. Step 6: Final answer
    x = 12,202.76

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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.