Home / 13,387.95-20,082.91-3,527.16

Finding the Fourth Proportional to 13,387.95, 20,082.91 and 3,527.16

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Solution

The fourth proportional to 13,387.95, 20,082.91 and 3,527.16 is: 5,291.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,387.95 : 20,082.91 = 3,527.16 : x
  2. Step 2: Convert to fraction form
    13,387.95/20,082.91 = 3,527.16/x
  3. Step 3: Cross multiply
    13,387.95x = 20,082.91 × 3,527.16
  4. Step 4: Simplify right side
    13,387.95x = 70,835,636.84
  5. Step 5: Solve for x
    x = 70,835,636.84/13,387.95
  6. Step 6: Final answer
    x = 5,291.00

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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.