Home / 19,370.10-29,054.55-5,519.10

Finding the Fourth Proportional to 19,370.10, 29,054.55 and 5,519.10

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Solution

The fourth proportional to 19,370.10, 29,054.55 and 5,519.10 is: 8,278.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,370.10 : 29,054.55 = 5,519.10 : x
  2. Step 2: Convert to fraction form
    19,370.10/29,054.55 = 5,519.10/x
  3. Step 3: Cross multiply
    19,370.10x = 29,054.55 × 5,519.10
  4. Step 4: Simplify right side
    19,370.10x = 160,354,966.91
  5. Step 5: Solve for x
    x = 160,354,966.91/19,370.10
  6. Step 6: Final answer
    x = 8,278.48

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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.