Home / 17,218.81-25,838.18-7,222.66

Finding the Fourth Proportional to 17,218.81, 25,838.18 and 7,222.66

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Solution

The fourth proportional to 17,218.81, 25,838.18 and 7,222.66 is: 10,838.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,218.81 : 25,838.18 = 7,222.66 : x
  2. Step 2: Convert to fraction form
    17,218.81/25,838.18 = 7,222.66/x
  3. Step 3: Cross multiply
    17,218.81x = 25,838.18 × 7,222.66
  4. Step 4: Simplify right side
    17,218.81x = 186,620,389.16
  5. Step 5: Solve for x
    x = 186,620,389.16/17,218.81
  6. Step 6: Final answer
    x = 10,838.17

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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.