Home / 15,687.93-23,534.80-5,158.53

Finding the Fourth Proportional to 15,687.93, 23,534.80 and 5,158.53

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Solution

The fourth proportional to 15,687.93, 23,534.80 and 5,158.53 is: 7,738.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,687.93 : 23,534.80 = 5,158.53 : x
  2. Step 2: Convert to fraction form
    15,687.93/23,534.80 = 5,158.53/x
  3. Step 3: Cross multiply
    15,687.93x = 23,534.80 × 5,158.53
  4. Step 4: Simplify right side
    15,687.93x = 121,404,971.84
  5. Step 5: Solve for x
    x = 121,404,971.84/15,687.93
  6. Step 6: Final answer
    x = 7,738.75

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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.