Home / 10,296.50-15,444.76-4,140.50

Finding the Fourth Proportional to 10,296.50, 15,444.76 and 4,140.50

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Solution

The fourth proportional to 10,296.50, 15,444.76 and 4,140.50 is: 6,210.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,296.50 : 15,444.76 = 4,140.50 : x
  2. Step 2: Convert to fraction form
    10,296.50/15,444.76 = 4,140.50/x
  3. Step 3: Cross multiply
    10,296.50x = 15,444.76 × 4,140.50
  4. Step 4: Simplify right side
    10,296.50x = 63,949,028.78
  5. Step 5: Solve for x
    x = 63,949,028.78/10,296.50
  6. Step 6: Final answer
    x = 6,210.75

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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.