Home / 21,588.80-32,386.67-9,110.64

Finding the Fourth Proportional to 21,588.80, 32,386.67 and 9,110.64

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Solution

The fourth proportional to 21,588.80, 32,386.67 and 9,110.64 is: 13,667.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,588.80 : 32,386.67 = 9,110.64 : x
  2. Step 2: Convert to fraction form
    21,588.80/32,386.67 = 9,110.64/x
  3. Step 3: Cross multiply
    21,588.80x = 32,386.67 × 9,110.64
  4. Step 4: Simplify right side
    21,588.80x = 295,063,401.23
  5. Step 5: Solve for x
    x = 295,063,401.23/21,588.80
  6. Step 6: Final answer
    x = 13,667.43

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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.