Home / 9,211.41-12,711.75-5,019.66

Finding the Fourth Proportional to 9,211.41, 12,711.75 and 5,019.66

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Solution

The fourth proportional to 9,211.41, 12,711.75 and 5,019.66 is: 6,927.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,211.41 : 12,711.75 = 5,019.66 : x
  2. Step 2: Convert to fraction form
    9,211.41/12,711.75 = 5,019.66/x
  3. Step 3: Cross multiply
    9,211.41x = 12,711.75 × 5,019.66
  4. Step 4: Simplify right side
    9,211.41x = 63,808,663.01
  5. Step 5: Solve for x
    x = 63,808,663.01/9,211.41
  6. Step 6: Final answer
    x = 6,927.13

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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.