Home / 17,555.70-26,340.12-9,116.94

Finding the Fourth Proportional to 17,555.70, 26,340.12 and 9,116.94

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Solution

The fourth proportional to 17,555.70, 26,340.12 and 9,116.94 is: 13,678.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,555.70 : 26,340.12 = 9,116.94 : x
  2. Step 2: Convert to fraction form
    17,555.70/26,340.12 = 9,116.94/x
  3. Step 3: Cross multiply
    17,555.70x = 26,340.12 × 9,116.94
  4. Step 4: Simplify right side
    17,555.70x = 240,141,293.63
  5. Step 5: Solve for x
    x = 240,141,293.63/17,555.70
  6. Step 6: Final answer
    x = 13,678.82

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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.