Home / 23,180.94-31,988.61-12,570.36

Finding the Fourth Proportional to 23,180.94, 31,988.61 and 12,570.36

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Solution

The fourth proportional to 23,180.94, 31,988.61 and 12,570.36 is: 17,346.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,180.94 : 31,988.61 = 12,570.36 : x
  2. Step 2: Convert to fraction form
    23,180.94/31,988.61 = 12,570.36/x
  3. Step 3: Cross multiply
    23,180.94x = 31,988.61 × 12,570.36
  4. Step 4: Simplify right side
    23,180.94x = 402,108,343.60
  5. Step 5: Solve for x
    x = 402,108,343.60/23,180.94
  6. Step 6: Final answer
    x = 17,346.51

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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.