Home / 10,427.04-15,641.42-3,031.49

Finding the Fourth Proportional to 10,427.04, 15,641.42 and 3,031.49

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Solution

The fourth proportional to 10,427.04, 15,641.42 and 3,031.49 is: 4,547.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,427.04 : 15,641.42 = 3,031.49 : x
  2. Step 2: Convert to fraction form
    10,427.04/15,641.42 = 3,031.49/x
  3. Step 3: Cross multiply
    10,427.04x = 15,641.42 × 3,031.49
  4. Step 4: Simplify right side
    10,427.04x = 47,416,761.33
  5. Step 5: Solve for x
    x = 47,416,761.33/10,427.04
  6. Step 6: Final answer
    x = 4,547.48

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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.