Home / 23,118.51-31,903.66-12,508.17

Finding the Fourth Proportional to 23,118.51, 31,903.66 and 12,508.17

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Solution

The fourth proportional to 23,118.51, 31,903.66 and 12,508.17 is: 17,261.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,118.51 : 31,903.66 = 12,508.17 : x
  2. Step 2: Convert to fraction form
    23,118.51/31,903.66 = 12,508.17/x
  3. Step 3: Cross multiply
    23,118.51x = 31,903.66 × 12,508.17
  4. Step 4: Simplify right side
    23,118.51x = 399,056,180.84
  5. Step 5: Solve for x
    x = 399,056,180.84/23,118.51
  6. Step 6: Final answer
    x = 17,261.33

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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.