Home / 19,018.50-28,531.56-5,870.38

Finding the Fourth Proportional to 19,018.50, 28,531.56 and 5,870.38

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Solution

The fourth proportional to 19,018.50, 28,531.56 and 5,870.38 is: 8,806.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,018.50 : 28,531.56 = 5,870.38 : x
  2. Step 2: Convert to fraction form
    19,018.50/28,531.56 = 5,870.38/x
  3. Step 3: Cross multiply
    19,018.50x = 28,531.56 × 5,870.38
  4. Step 4: Simplify right side
    19,018.50x = 167,491,099.19
  5. Step 5: Solve for x
    x = 167,491,099.19/19,018.50
  6. Step 6: Final answer
    x = 8,806.75

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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.