Home / 15,583.74-23,382.46-8,186.48

Finding the Fourth Proportional to 15,583.74, 23,382.46 and 8,186.48

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Solution

The fourth proportional to 15,583.74, 23,382.46 and 8,186.48 is: 12,283.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,583.74 : 23,382.46 = 8,186.48 : x
  2. Step 2: Convert to fraction form
    15,583.74/23,382.46 = 8,186.48/x
  3. Step 3: Cross multiply
    15,583.74x = 23,382.46 × 8,186.48
  4. Step 4: Simplify right side
    15,583.74x = 191,420,041.14
  5. Step 5: Solve for x
    x = 191,420,041.14/15,583.74
  6. Step 6: Final answer
    x = 12,283.32

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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.