Home / 11,223.47-16,813.67-6,278.13

Finding the Fourth Proportional to 11,223.47, 16,813.67 and 6,278.13

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Solution

The fourth proportional to 11,223.47, 16,813.67 and 6,278.13 is: 9,405.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,223.47 : 16,813.67 = 6,278.13 : x
  2. Step 2: Convert to fraction form
    11,223.47/16,813.67 = 6,278.13/x
  3. Step 3: Cross multiply
    11,223.47x = 16,813.67 × 6,278.13
  4. Step 4: Simplify right side
    11,223.47x = 105,558,374.65
  5. Step 5: Solve for x
    x = 105,558,374.65/11,223.47
  6. Step 6: Final answer
    x = 9,405.14

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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.