Home / 15,719.16-23,578.88-4,626.04

Finding the Fourth Proportional to 15,719.16, 23,578.88 and 4,626.04

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Solution

The fourth proportional to 15,719.16, 23,578.88 and 4,626.04 is: 6,939.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,719.16 : 23,578.88 = 4,626.04 : x
  2. Step 2: Convert to fraction form
    15,719.16/23,578.88 = 4,626.04/x
  3. Step 3: Cross multiply
    15,719.16x = 23,578.88 × 4,626.04
  4. Step 4: Simplify right side
    15,719.16x = 109,076,842.04
  5. Step 5: Solve for x
    x = 109,076,842.04/15,719.16
  6. Step 6: Final answer
    x = 6,939.10

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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.