Home / 17,790.19-26,689.67-12,535.47

Finding the Fourth Proportional to 17,790.19, 26,689.67 and 12,535.47

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Solution

The fourth proportional to 17,790.19, 26,689.67 and 12,535.47 is: 18,806.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,790.19 : 26,689.67 = 12,535.47 : x
  2. Step 2: Convert to fraction form
    17,790.19/26,689.67 = 12,535.47/x
  3. Step 3: Cross multiply
    17,790.19x = 26,689.67 × 12,535.47
  4. Step 4: Simplify right side
    17,790.19x = 334,567,441.84
  5. Step 5: Solve for x
    x = 334,567,441.84/17,790.19
  6. Step 6: Final answer
    x = 18,806.29

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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.