Home / 11,135.70-16,689.15-9,959.22

Finding the Fourth Proportional to 11,135.70, 16,689.15 and 9,959.22

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Solution

The fourth proportional to 11,135.70, 16,689.15 and 9,959.22 is: 14,925.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,135.70 : 16,689.15 = 9,959.22 : x
  2. Step 2: Convert to fraction form
    11,135.70/16,689.15 = 9,959.22/x
  3. Step 3: Cross multiply
    11,135.70x = 16,689.15 × 9,959.22
  4. Step 4: Simplify right side
    11,135.70x = 166,210,916.46
  5. Step 5: Solve for x
    x = 166,210,916.46/11,135.70
  6. Step 6: Final answer
    x = 14,925.95

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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.