Home / 13,588.47-20,360.73-7,351.43

Finding the Fourth Proportional to 13,588.47, 20,360.73 and 7,351.43

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Solution

The fourth proportional to 13,588.47, 20,360.73 and 7,351.43 is: 11,015.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,588.47 : 20,360.73 = 7,351.43 : x
  2. Step 2: Convert to fraction form
    13,588.47/20,360.73 = 7,351.43/x
  3. Step 3: Cross multiply
    13,588.47x = 20,360.73 × 7,351.43
  4. Step 4: Simplify right side
    13,588.47x = 149,680,407.11
  5. Step 5: Solve for x
    x = 149,680,407.11/13,588.47
  6. Step 6: Final answer
    x = 11,015.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.