Home / 17,790.16-26,684.63-8,434.66

Finding the Fourth Proportional to 17,790.16, 26,684.63 and 8,434.66

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Solution

The fourth proportional to 17,790.16, 26,684.63 and 8,434.66 is: 12,651.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,790.16 : 26,684.63 = 8,434.66 : x
  2. Step 2: Convert to fraction form
    17,790.16/26,684.63 = 8,434.66/x
  3. Step 3: Cross multiply
    17,790.16x = 26,684.63 × 8,434.66
  4. Step 4: Simplify right side
    17,790.16x = 225,075,781.28
  5. Step 5: Solve for x
    x = 225,075,781.28/17,790.16
  6. Step 6: Final answer
    x = 12,651.70

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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.