Home / 15,618.24-23,428.89-5,087.79

Finding the Fourth Proportional to 15,618.24, 23,428.89 and 5,087.79

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Solution

The fourth proportional to 15,618.24, 23,428.89 and 5,087.79 is: 7,632.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,618.24 : 23,428.89 = 5,087.79 : x
  2. Step 2: Convert to fraction form
    15,618.24/23,428.89 = 5,087.79/x
  3. Step 3: Cross multiply
    15,618.24x = 23,428.89 × 5,087.79
  4. Step 4: Simplify right side
    15,618.24x = 119,201,272.25
  5. Step 5: Solve for x
    x = 119,201,272.25/15,618.24
  6. Step 6: Final answer
    x = 7,632.18

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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.