Home / 12,376.40-18,567.48-4,055.90

Finding the Fourth Proportional to 12,376.40, 18,567.48 and 4,055.90

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Solution

The fourth proportional to 12,376.40, 18,567.48 and 4,055.90 is: 6,084.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,376.40 : 18,567.48 = 4,055.90 : x
  2. Step 2: Convert to fraction form
    12,376.40/18,567.48 = 4,055.90/x
  3. Step 3: Cross multiply
    12,376.40x = 18,567.48 × 4,055.90
  4. Step 4: Simplify right side
    12,376.40x = 75,307,842.13
  5. Step 5: Solve for x
    x = 75,307,842.13/12,376.40
  6. Step 6: Final answer
    x = 6,084.79

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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.