Home / 18,222.47-27,333.70-5,075.18

Finding the Fourth Proportional to 18,222.47, 27,333.70 and 5,075.18

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Solution

The fourth proportional to 18,222.47, 27,333.70 and 5,075.18 is: 7,612.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,222.47 : 27,333.70 = 5,075.18 : x
  2. Step 2: Convert to fraction form
    18,222.47/27,333.70 = 5,075.18/x
  3. Step 3: Cross multiply
    18,222.47x = 27,333.70 × 5,075.18
  4. Step 4: Simplify right side
    18,222.47x = 138,723,506.13
  5. Step 5: Solve for x
    x = 138,723,506.13/18,222.47
  6. Step 6: Final answer
    x = 7,612.77

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Double scale
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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.