Home / 9,211.22-12,711.63-5,019.47

Finding the Fourth Proportional to 9,211.22, 12,711.63 and 5,019.47

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Solution

The fourth proportional to 9,211.22, 12,711.63 and 5,019.47 is: 6,926.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,211.22 : 12,711.63 = 5,019.47 : x
  2. Step 2: Convert to fraction form
    9,211.22/12,711.63 = 5,019.47/x
  3. Step 3: Cross multiply
    9,211.22x = 12,711.63 × 5,019.47
  4. Step 4: Simplify right side
    9,211.22x = 63,805,648.37
  5. Step 5: Solve for x
    x = 63,805,648.37/9,211.22
  6. Step 6: Final answer
    x = 6,926.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.