Home / 19,588.74-29,321.13-12,559.36

Finding the Fourth Proportional to 19,588.74, 29,321.13 and 12,559.36

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Solution

The fourth proportional to 19,588.74, 29,321.13 and 12,559.36 is: 18,799.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,588.74 : 29,321.13 = 12,559.36 : x
  2. Step 2: Convert to fraction form
    19,588.74/29,321.13 = 12,559.36/x
  3. Step 3: Cross multiply
    19,588.74x = 29,321.13 × 12,559.36
  4. Step 4: Simplify right side
    19,588.74x = 368,254,627.28
  5. Step 5: Solve for x
    x = 368,254,627.28/19,588.74
  6. Step 6: Final answer
    x = 18,799.30

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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.