Home / 15,815.37-23,724.18-4,721.16

Finding the Fourth Proportional to 15,815.37, 23,724.18 and 4,721.16

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Solution

The fourth proportional to 15,815.37, 23,724.18 and 4,721.16 is: 7,082.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,815.37 : 23,724.18 = 4,721.16 : x
  2. Step 2: Convert to fraction form
    15,815.37/23,724.18 = 4,721.16/x
  3. Step 3: Cross multiply
    15,815.37x = 23,724.18 × 4,721.16
  4. Step 4: Simplify right side
    15,815.37x = 112,005,649.65
  5. Step 5: Solve for x
    x = 112,005,649.65/15,815.37
  6. Step 6: Final answer
    x = 7,082.08

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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.