Home / 12,603.25-17,391.51-7,225.62

Finding the Fourth Proportional to 12,603.25, 17,391.51 and 7,225.62

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Solution

The fourth proportional to 12,603.25, 17,391.51 and 7,225.62 is: 9,970.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,603.25 : 17,391.51 = 7,225.62 : x
  2. Step 2: Convert to fraction form
    12,603.25/17,391.51 = 7,225.62/x
  3. Step 3: Cross multiply
    12,603.25x = 17,391.51 × 7,225.62
  4. Step 4: Simplify right side
    12,603.25x = 125,664,475.10
  5. Step 5: Solve for x
    x = 125,664,475.10/12,603.25
  6. Step 6: Final answer
    x = 9,970.80

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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.