Home / 23,159.79-31,960.71-13,597.20

Finding the Fourth Proportional to 23,159.79, 31,960.71 and 13,597.20

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Solution

The fourth proportional to 23,159.79, 31,960.71 and 13,597.20 is: 18,764.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,159.79 : 31,960.71 = 13,597.20 : x
  2. Step 2: Convert to fraction form
    23,159.79/31,960.71 = 13,597.20/x
  3. Step 3: Cross multiply
    23,159.79x = 31,960.71 × 13,597.20
  4. Step 4: Simplify right side
    23,159.79x = 434,576,166.01
  5. Step 5: Solve for x
    x = 434,576,166.01/23,159.79
  6. Step 6: Final answer
    x = 18,764.25

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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.