Home / 10,657.24-15,985.98-2,866.12

Finding the Fourth Proportional to 10,657.24, 15,985.98 and 2,866.12

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Solution

The fourth proportional to 10,657.24, 15,985.98 and 2,866.12 is: 4,299.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,657.24 : 15,985.98 = 2,866.12 : x
  2. Step 2: Convert to fraction form
    10,657.24/15,985.98 = 2,866.12/x
  3. Step 3: Cross multiply
    10,657.24x = 15,985.98 × 2,866.12
  4. Step 4: Simplify right side
    10,657.24x = 45,817,737.00
  5. Step 5: Solve for x
    x = 45,817,737.00/10,657.24
  6. Step 6: Final answer
    x = 4,299.21

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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.