Home / 19,360.19-29,034.48-6,878.57

Finding the Fourth Proportional to 19,360.19, 29,034.48 and 6,878.57

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Solution

The fourth proportional to 19,360.19, 29,034.48 and 6,878.57 is: 10,315.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,360.19 : 29,034.48 = 6,878.57 : x
  2. Step 2: Convert to fraction form
    19,360.19/29,034.48 = 6,878.57/x
  3. Step 3: Cross multiply
    19,360.19x = 29,034.48 × 6,878.57
  4. Step 4: Simplify right side
    19,360.19x = 199,715,689.00
  5. Step 5: Solve for x
    x = 199,715,689.00/19,360.19
  6. Step 6: Final answer
    x = 10,315.79

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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.