Home / 23,147.63-31,943.70-12,537.30

Finding the Fourth Proportional to 23,147.63, 31,943.70 and 12,537.30

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Solution

The fourth proportional to 23,147.63, 31,943.70 and 12,537.30 is: 17,301.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,147.63 : 31,943.70 = 12,537.30 : x
  2. Step 2: Convert to fraction form
    23,147.63/31,943.70 = 12,537.30/x
  3. Step 3: Cross multiply
    23,147.63x = 31,943.70 × 12,537.30
  4. Step 4: Simplify right side
    23,147.63x = 400,487,750.01
  5. Step 5: Solve for x
    x = 400,487,750.01/23,147.63
  6. Step 6: Final answer
    x = 17,301.46

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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.