Home / 15,339.06-23,008.59-4,809.90

Finding the Fourth Proportional to 15,339.06, 23,008.59 and 4,809.90

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Solution

The fourth proportional to 15,339.06, 23,008.59 and 4,809.90 is: 7,214.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,339.06 : 23,008.59 = 4,809.90 : x
  2. Step 2: Convert to fraction form
    15,339.06/23,008.59 = 4,809.90/x
  3. Step 3: Cross multiply
    15,339.06x = 23,008.59 × 4,809.90
  4. Step 4: Simplify right side
    15,339.06x = 110,669,017.04
  5. Step 5: Solve for x
    x = 110,669,017.04/15,339.06
  6. Step 6: Final answer
    x = 7,214.85

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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.