Home / 23,140.43-31,934.02-12,530.29

Finding the Fourth Proportional to 23,140.43, 31,934.02 and 12,530.29

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Solution

The fourth proportional to 23,140.43, 31,934.02 and 12,530.29 is: 17,291.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,140.43 : 31,934.02 = 12,530.29 : x
  2. Step 2: Convert to fraction form
    23,140.43/31,934.02 = 12,530.29/x
  3. Step 3: Cross multiply
    23,140.43x = 31,934.02 × 12,530.29
  4. Step 4: Simplify right side
    23,140.43x = 400,142,587.05
  5. Step 5: Solve for x
    x = 400,142,587.05/23,140.43
  6. Step 6: Final answer
    x = 17,291.93

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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.