Home / 13,995.75-19,314.24-7,708.53

Finding the Fourth Proportional to 13,995.75, 19,314.24 and 7,708.53

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Solution

The fourth proportional to 13,995.75, 19,314.24 and 7,708.53 is: 10,637.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,995.75 : 19,314.24 = 7,708.53 : x
  2. Step 2: Convert to fraction form
    13,995.75/19,314.24 = 7,708.53/x
  3. Step 3: Cross multiply
    13,995.75x = 19,314.24 × 7,708.53
  4. Step 4: Simplify right side
    13,995.75x = 148,884,398.47
  5. Step 5: Solve for x
    x = 148,884,398.47/13,995.75
  6. Step 6: Final answer
    x = 10,637.83

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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.