Home / 10,019.56-13,825.38-6,290.92

Finding the Fourth Proportional to 10,019.56, 13,825.38 and 6,290.92

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Solution

The fourth proportional to 10,019.56, 13,825.38 and 6,290.92 is: 8,680.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,019.56 : 13,825.38 = 6,290.92 : x
  2. Step 2: Convert to fraction form
    10,019.56/13,825.38 = 6,290.92/x
  3. Step 3: Cross multiply
    10,019.56x = 13,825.38 × 6,290.92
  4. Step 4: Simplify right side
    10,019.56x = 86,974,359.55
  5. Step 5: Solve for x
    x = 86,974,359.55/10,019.56
  6. Step 6: Final answer
    x = 8,680.46

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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.