Home / 15,479.64-23,217.30-5,090.04

Finding the Fourth Proportional to 15,479.64, 23,217.30 and 5,090.04

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Solution

The fourth proportional to 15,479.64, 23,217.30 and 5,090.04 is: 7,634.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,479.64 : 23,217.30 = 5,090.04 : x
  2. Step 2: Convert to fraction form
    15,479.64/23,217.30 = 5,090.04/x
  3. Step 3: Cross multiply
    15,479.64x = 23,217.30 × 5,090.04
  4. Step 4: Simplify right side
    15,479.64x = 118,176,985.69
  5. Step 5: Solve for x
    x = 118,176,985.69/15,479.64
  6. Step 6: Final answer
    x = 7,634.35

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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.