Home / 18,106.28-24,990.18-11,807.72

Finding the Fourth Proportional to 18,106.28, 24,990.18 and 11,807.72

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Solution

The fourth proportional to 18,106.28, 24,990.18 and 11,807.72 is: 16,296.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,106.28 : 24,990.18 = 11,807.72 : x
  2. Step 2: Convert to fraction form
    18,106.28/24,990.18 = 11,807.72/x
  3. Step 3: Cross multiply
    18,106.28x = 24,990.18 × 11,807.72
  4. Step 4: Simplify right side
    18,106.28x = 295,077,048.19
  5. Step 5: Solve for x
    x = 295,077,048.19/18,106.28
  6. Step 6: Final answer
    x = 16,296.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.