Home / 19,376.40-29,032.20-12,799.20

Finding the Fourth Proportional to 19,376.40, 29,032.20 and 12,799.20

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Solution

The fourth proportional to 19,376.40, 29,032.20 and 12,799.20 is: 19,177.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,376.40 : 29,032.20 = 12,799.20 : x
  2. Step 2: Convert to fraction form
    19,376.40/29,032.20 = 12,799.20/x
  3. Step 3: Cross multiply
    19,376.40x = 29,032.20 × 12,799.20
  4. Step 4: Simplify right side
    19,376.40x = 371,588,934.24
  5. Step 5: Solve for x
    x = 371,588,934.24/19,376.40
  6. Step 6: Final answer
    x = 19,177.40

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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.