Home / 15,438.76-23,155.01-4,345.96

Finding the Fourth Proportional to 15,438.76, 23,155.01 and 4,345.96

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Solution

The fourth proportional to 15,438.76, 23,155.01 and 4,345.96 is: 6,518.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,438.76 : 23,155.01 = 4,345.96 : x
  2. Step 2: Convert to fraction form
    15,438.76/23,155.01 = 4,345.96/x
  3. Step 3: Cross multiply
    15,438.76x = 23,155.01 × 4,345.96
  4. Step 4: Simplify right side
    15,438.76x = 100,630,747.26
  5. Step 5: Solve for x
    x = 100,630,747.26/15,438.76
  6. Step 6: Final answer
    x = 6,518.06

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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.