Home / 23,045.36-31,803.20-12,974.15

Finding the Fourth Proportional to 23,045.36, 31,803.20 and 12,974.15

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Solution

The fourth proportional to 23,045.36, 31,803.20 and 12,974.15 is: 17,904.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,045.36 : 31,803.20 = 12,974.15 : x
  2. Step 2: Convert to fraction form
    23,045.36/31,803.20 = 12,974.15/x
  3. Step 3: Cross multiply
    23,045.36x = 31,803.20 × 12,974.15
  4. Step 4: Simplify right side
    23,045.36x = 412,619,263.39
  5. Step 5: Solve for x
    x = 412,619,263.39/23,045.36
  6. Step 6: Final answer
    x = 17,904.66

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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.