Home / 19,588.30-29,370.30-11,264.20

Finding the Fourth Proportional to 19,588.30, 29,370.30 and 11,264.20

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Solution

The fourth proportional to 19,588.30, 29,370.30 and 11,264.20 is: 16,889.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,588.30 : 29,370.30 = 11,264.20 : x
  2. Step 2: Convert to fraction form
    19,588.30/29,370.30 = 11,264.20/x
  3. Step 3: Cross multiply
    19,588.30x = 29,370.30 × 11,264.20
  4. Step 4: Simplify right side
    19,588.30x = 330,832,933.26
  5. Step 5: Solve for x
    x = 330,832,933.26/19,588.30
  6. Step 6: Final answer
    x = 16,889.31

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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.