Home / 15,986.10-23,970.15-6,125.70

Finding the Fourth Proportional to 15,986.10, 23,970.15 and 6,125.70

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Solution

The fourth proportional to 15,986.10, 23,970.15 and 6,125.70 is: 9,185.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,986.10 : 23,970.15 = 6,125.70 : x
  2. Step 2: Convert to fraction form
    15,986.10/23,970.15 = 6,125.70/x
  3. Step 3: Cross multiply
    15,986.10x = 23,970.15 × 6,125.70
  4. Step 4: Simplify right side
    15,986.10x = 146,833,947.86
  5. Step 5: Solve for x
    x = 146,833,947.86/15,986.10
  6. Step 6: Final answer
    x = 9,185.10

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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.