Home / 15,977.12-23,957.60-9,315.76

Finding the Fourth Proportional to 15,977.12, 23,957.60 and 9,315.76

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Solution

The fourth proportional to 15,977.12, 23,957.60 and 9,315.76 is: 13,968.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,977.12 : 23,957.60 = 9,315.76 : x
  2. Step 2: Convert to fraction form
    15,977.12/23,957.60 = 9,315.76/x
  3. Step 3: Cross multiply
    15,977.12x = 23,957.60 × 9,315.76
  4. Step 4: Simplify right side
    15,977.12x = 223,183,251.78
  5. Step 5: Solve for x
    x = 223,183,251.78/15,977.12
  6. Step 6: Final answer
    x = 13,968.93

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1.5x scale

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.