Home / 10,865.90-16,301.95-3,470.94

Finding the Fourth Proportional to 10,865.90, 16,301.95 and 3,470.94

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Solution

The fourth proportional to 10,865.90, 16,301.95 and 3,470.94 is: 5,207.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,865.90 : 16,301.95 = 3,470.94 : x
  2. Step 2: Convert to fraction form
    10,865.90/16,301.95 = 3,470.94/x
  3. Step 3: Cross multiply
    10,865.90x = 16,301.95 × 3,470.94
  4. Step 4: Simplify right side
    10,865.90x = 56,583,081.66
  5. Step 5: Solve for x
    x = 56,583,081.66/10,865.90
  6. Step 6: Final answer
    x = 5,207.40

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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.