Home / 12,557.07-17,328.15-7,253.58

Finding the Fourth Proportional to 12,557.07, 17,328.15 and 7,253.58

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Solution

The fourth proportional to 12,557.07, 17,328.15 and 7,253.58 is: 10,009.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,557.07 : 17,328.15 = 7,253.58 : x
  2. Step 2: Convert to fraction form
    12,557.07/17,328.15 = 7,253.58/x
  3. Step 3: Cross multiply
    12,557.07x = 17,328.15 × 7,253.58
  4. Step 4: Simplify right side
    12,557.07x = 125,691,122.28
  5. Step 5: Solve for x
    x = 125,691,122.28/12,557.07
  6. Step 6: Final answer
    x = 10,009.59

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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.