Home / 13,061.28-18,028.26-10,709.04

Finding the Fourth Proportional to 13,061.28, 18,028.26 and 10,709.04

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Solution

The fourth proportional to 13,061.28, 18,028.26 and 10,709.04 is: 14,781.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,061.28 : 18,028.26 = 10,709.04 : x
  2. Step 2: Convert to fraction form
    13,061.28/18,028.26 = 10,709.04/x
  3. Step 3: Cross multiply
    13,061.28x = 18,028.26 × 10,709.04
  4. Step 4: Simplify right side
    13,061.28x = 193,065,357.47
  5. Step 5: Solve for x
    x = 193,065,357.47/13,061.28
  6. Step 6: Final answer
    x = 14,781.50

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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.