Home / 10,383.29-15,575.27-2,988.12

Finding the Fourth Proportional to 10,383.29, 15,575.27 and 2,988.12

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Solution

The fourth proportional to 10,383.29, 15,575.27 and 2,988.12 is: 4,482.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,383.29 : 15,575.27 = 2,988.12 : x
  2. Step 2: Convert to fraction form
    10,383.29/15,575.27 = 2,988.12/x
  3. Step 3: Cross multiply
    10,383.29x = 15,575.27 × 2,988.12
  4. Step 4: Simplify right side
    10,383.29x = 46,540,760.85
  5. Step 5: Solve for x
    x = 46,540,760.85/10,383.29
  6. Step 6: Final answer
    x = 4,482.28

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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.