Home / 11,122.32-16,666.84-10,302.18

Finding the Fourth Proportional to 11,122.32, 16,666.84 and 10,302.18

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Solution

The fourth proportional to 11,122.32, 16,666.84 and 10,302.18 is: 15,437.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,122.32 : 16,666.84 = 10,302.18 : x
  2. Step 2: Convert to fraction form
    11,122.32/16,666.84 = 10,302.18/x
  3. Step 3: Cross multiply
    11,122.32x = 16,666.84 × 10,302.18
  4. Step 4: Simplify right side
    11,122.32x = 171,704,785.71
  5. Step 5: Solve for x
    x = 171,704,785.71/11,122.32
  6. Step 6: Final answer
    x = 15,437.86

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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.