Home / 13,660.59-18,851.53-7,694.18

Finding the Fourth Proportional to 13,660.59, 18,851.53 and 7,694.18

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Solution

The fourth proportional to 13,660.59, 18,851.53 and 7,694.18 is: 10,617.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,660.59 : 18,851.53 = 7,694.18 : x
  2. Step 2: Convert to fraction form
    13,660.59/18,851.53 = 7,694.18/x
  3. Step 3: Cross multiply
    13,660.59x = 18,851.53 × 7,694.18
  4. Step 4: Simplify right side
    13,660.59x = 145,047,026.62
  5. Step 5: Solve for x
    x = 145,047,026.62/13,660.59
  6. Step 6: Final answer
    x = 10,617.92

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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.