Home / 14,084.77-19,436.81-7,711.28

Finding the Fourth Proportional to 14,084.77, 19,436.81 and 7,711.28

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Solution

The fourth proportional to 14,084.77, 19,436.81 and 7,711.28 is: 10,641.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,084.77 : 19,436.81 = 7,711.28 : x
  2. Step 2: Convert to fraction form
    14,084.77/19,436.81 = 7,711.28/x
  3. Step 3: Cross multiply
    14,084.77x = 19,436.81 × 7,711.28
  4. Step 4: Simplify right side
    14,084.77x = 149,882,752.09
  5. Step 5: Solve for x
    x = 149,882,752.09/14,084.77
  6. Step 6: Final answer
    x = 10,641.48

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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.