Home / 10,082.95-15,124.43-3,509.19

Finding the Fourth Proportional to 10,082.95, 15,124.43 and 3,509.19

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Solution

The fourth proportional to 10,082.95, 15,124.43 and 3,509.19 is: 5,263.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,082.95 : 15,124.43 = 3,509.19 : x
  2. Step 2: Convert to fraction form
    10,082.95/15,124.43 = 3,509.19/x
  3. Step 3: Cross multiply
    10,082.95x = 15,124.43 × 3,509.19
  4. Step 4: Simplify right side
    10,082.95x = 53,074,507.28
  5. Step 5: Solve for x
    x = 53,074,507.28/10,082.95
  6. Step 6: Final answer
    x = 5,263.79

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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.