Home / 12,588.18-17,370.36-7,551.60

Finding the Fourth Proportional to 12,588.18, 17,370.36 and 7,551.60

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Solution

The fourth proportional to 12,588.18, 17,370.36 and 7,551.60 is: 10,420.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,588.18 : 17,370.36 = 7,551.60 : x
  2. Step 2: Convert to fraction form
    12,588.18/17,370.36 = 7,551.60/x
  3. Step 3: Cross multiply
    12,588.18x = 17,370.36 × 7,551.60
  4. Step 4: Simplify right side
    12,588.18x = 131,174,010.58
  5. Step 5: Solve for x
    x = 131,174,010.58/12,588.18
  6. Step 6: Final answer
    x = 10,420.41

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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.