Home / 23,085.42-34,630.56-11,387.40

Finding the Fourth Proportional to 23,085.42, 34,630.56 and 11,387.40

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Solution

The fourth proportional to 23,085.42, 34,630.56 and 11,387.40 is: 17,082.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,085.42 : 34,630.56 = 11,387.40 : x
  2. Step 2: Convert to fraction form
    23,085.42/34,630.56 = 11,387.40/x
  3. Step 3: Cross multiply
    23,085.42x = 34,630.56 × 11,387.40
  4. Step 4: Simplify right side
    23,085.42x = 394,352,038.94
  5. Step 5: Solve for x
    x = 394,352,038.94/23,085.42
  6. Step 6: Final answer
    x = 17,082.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.