Home / 10,271.79-15,407.10-4,346.19

Finding the Fourth Proportional to 10,271.79, 15,407.10 and 4,346.19

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Solution

The fourth proportional to 10,271.79, 15,407.10 and 4,346.19 is: 6,519.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,271.79 : 15,407.10 = 4,346.19 : x
  2. Step 2: Convert to fraction form
    10,271.79/15,407.10 = 4,346.19/x
  3. Step 3: Cross multiply
    10,271.79x = 15,407.10 × 4,346.19
  4. Step 4: Simplify right side
    10,271.79x = 66,962,183.95
  5. Step 5: Solve for x
    x = 66,962,183.95/10,271.79
  6. Step 6: Final answer
    x = 6,519.04

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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.