Home / 15,712.81-23,575.74-6,359.44

Finding the Fourth Proportional to 15,712.81, 23,575.74 and 6,359.44

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Solution

The fourth proportional to 15,712.81, 23,575.74 and 6,359.44 is: 9,541.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,712.81 : 23,575.74 = 6,359.44 : x
  2. Step 2: Convert to fraction form
    15,712.81/23,575.74 = 6,359.44/x
  3. Step 3: Cross multiply
    15,712.81x = 23,575.74 × 6,359.44
  4. Step 4: Simplify right side
    15,712.81x = 149,928,354.31
  5. Step 5: Solve for x
    x = 149,928,354.31/15,712.81
  6. Step 6: Final answer
    x = 9,541.79

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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.