Home / 15,405.80-23,111.96-5,016.76

Finding the Fourth Proportional to 15,405.80, 23,111.96 and 5,016.76

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Solution

The fourth proportional to 15,405.80, 23,111.96 and 5,016.76 is: 7,526.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,405.80 : 23,111.96 = 5,016.76 : x
  2. Step 2: Convert to fraction form
    15,405.80/23,111.96 = 5,016.76/x
  3. Step 3: Cross multiply
    15,405.80x = 23,111.96 × 5,016.76
  4. Step 4: Simplify right side
    15,405.80x = 115,947,156.45
  5. Step 5: Solve for x
    x = 115,947,156.45/15,405.80
  6. Step 6: Final answer
    x = 7,526.20

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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.