Home / 19,234.30-28,851.45-13,329.40

Finding the Fourth Proportional to 19,234.30, 28,851.45 and 13,329.40

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Solution

The fourth proportional to 19,234.30, 28,851.45 and 13,329.40 is: 19,994.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,234.30 : 28,851.45 = 13,329.40 : x
  2. Step 2: Convert to fraction form
    19,234.30/28,851.45 = 13,329.40/x
  3. Step 3: Cross multiply
    19,234.30x = 28,851.45 × 13,329.40
  4. Step 4: Simplify right side
    19,234.30x = 384,572,517.63
  5. Step 5: Solve for x
    x = 384,572,517.63/19,234.30
  6. Step 6: Final answer
    x = 19,994.10

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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.