Home / 21,588.48-32,392.92-9,111.36

Finding the Fourth Proportional to 21,588.48, 32,392.92 and 9,111.36

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Solution

The fourth proportional to 21,588.48, 32,392.92 and 9,111.36 is: 13,671.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,588.48 : 32,392.92 = 9,111.36 : x
  2. Step 2: Convert to fraction form
    21,588.48/32,392.92 = 9,111.36/x
  3. Step 3: Cross multiply
    21,588.48x = 32,392.92 × 9,111.36
  4. Step 4: Simplify right side
    21,588.48x = 295,143,555.57
  5. Step 5: Solve for x
    x = 295,143,555.57/21,588.48
  6. Step 6: Final answer
    x = 13,671.34

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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.