Home / 23,116.59-31,900.84-12,506.40

Finding the Fourth Proportional to 23,116.59, 31,900.84 and 12,506.40

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Solution

The fourth proportional to 23,116.59, 31,900.84 and 12,506.40 is: 17,258.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,116.59 : 31,900.84 = 12,506.40 : x
  2. Step 2: Convert to fraction form
    23,116.59/31,900.84 = 12,506.40/x
  3. Step 3: Cross multiply
    23,116.59x = 31,900.84 × 12,506.40
  4. Step 4: Simplify right side
    23,116.59x = 398,964,634.11
  5. Step 5: Solve for x
    x = 398,964,634.11/23,116.59
  6. Step 6: Final answer
    x = 17,258.80

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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.