Home / 10,238.85-15,326.46-5,547.20

Finding the Fourth Proportional to 10,238.85, 15,326.46 and 5,547.20

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Solution

The fourth proportional to 10,238.85, 15,326.46 and 5,547.20 is: 8,303.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,238.85 : 15,326.46 = 5,547.20 : x
  2. Step 2: Convert to fraction form
    10,238.85/15,326.46 = 5,547.20/x
  3. Step 3: Cross multiply
    10,238.85x = 15,326.46 × 5,547.20
  4. Step 4: Simplify right side
    10,238.85x = 85,018,862.28
  5. Step 5: Solve for x
    x = 85,018,862.28/10,238.85
  6. Step 6: Final answer
    x = 8,303.56

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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.