Home / 12,493.26-17,237.88-7,458.30

Finding the Fourth Proportional to 12,493.26, 17,237.88 and 7,458.30

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Solution

The fourth proportional to 12,493.26, 17,237.88 and 7,458.30 is: 10,290.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,493.26 : 17,237.88 = 7,458.30 : x
  2. Step 2: Convert to fraction form
    12,493.26/17,237.88 = 7,458.30/x
  3. Step 3: Cross multiply
    12,493.26x = 17,237.88 × 7,458.30
  4. Step 4: Simplify right side
    12,493.26x = 128,565,280.40
  5. Step 5: Solve for x
    x = 128,565,280.40/12,493.26
  6. Step 6: Final answer
    x = 10,290.77

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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.