Home / 22,859.13-31,544.10-12,785.82

Finding the Fourth Proportional to 22,859.13, 31,544.10 and 12,785.82

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Solution

The fourth proportional to 22,859.13, 31,544.10 and 12,785.82 is: 17,643.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,859.13 : 31,544.10 = 12,785.82 : x
  2. Step 2: Convert to fraction form
    22,859.13/31,544.10 = 12,785.82/x
  3. Step 3: Cross multiply
    22,859.13x = 31,544.10 × 12,785.82
  4. Step 4: Simplify right side
    22,859.13x = 403,317,184.66
  5. Step 5: Solve for x
    x = 403,317,184.66/22,859.13
  6. Step 6: Final answer
    x = 17,643.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.