Home / 12,352.48-17,046.26-7,047.40

Finding the Fourth Proportional to 12,352.48, 17,046.26 and 7,047.40

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Solution

The fourth proportional to 12,352.48, 17,046.26 and 7,047.40 is: 9,725.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,352.48 : 17,046.26 = 7,047.40 : x
  2. Step 2: Convert to fraction form
    12,352.48/17,046.26 = 7,047.40/x
  3. Step 3: Cross multiply
    12,352.48x = 17,046.26 × 7,047.40
  4. Step 4: Simplify right side
    12,352.48x = 120,131,812.72
  5. Step 5: Solve for x
    x = 120,131,812.72/12,352.48
  6. Step 6: Final answer
    x = 9,725.32

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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.