Home / 23,146.65-31,942.38-13,075.11

Finding the Fourth Proportional to 23,146.65, 31,942.38 and 13,075.11

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Solution

The fourth proportional to 23,146.65, 31,942.38 and 13,075.11 is: 18,043.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,146.65 : 31,942.38 = 13,075.11 : x
  2. Step 2: Convert to fraction form
    23,146.65/31,942.38 = 13,075.11/x
  3. Step 3: Cross multiply
    23,146.65x = 31,942.38 × 13,075.11
  4. Step 4: Simplify right side
    23,146.65x = 417,650,132.16
  5. Step 5: Solve for x
    x = 417,650,132.16/23,146.65
  6. Step 6: Final answer
    x = 18,043.65

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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.