Home / 10,292.10-15,452.55-6,404.10

Finding the Fourth Proportional to 10,292.10, 15,452.55 and 6,404.10

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Solution

The fourth proportional to 10,292.10, 15,452.55 and 6,404.10 is: 9,615.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,292.10 : 15,452.55 = 6,404.10 : x
  2. Step 2: Convert to fraction form
    10,292.10/15,452.55 = 6,404.10/x
  3. Step 3: Cross multiply
    10,292.10x = 15,452.55 × 6,404.10
  4. Step 4: Simplify right side
    10,292.10x = 98,959,675.46
  5. Step 5: Solve for x
    x = 98,959,675.46/10,292.10
  6. Step 6: Final answer
    x = 9,615.11

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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.