Home / 18,130.35-27,206.31-9,810.20

Finding the Fourth Proportional to 18,130.35, 27,206.31 and 9,810.20

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Solution

The fourth proportional to 18,130.35, 27,206.31 and 9,810.20 is: 14,721.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,130.35 : 27,206.31 = 9,810.20 : x
  2. Step 2: Convert to fraction form
    18,130.35/27,206.31 = 9,810.20/x
  3. Step 3: Cross multiply
    18,130.35x = 27,206.31 × 9,810.20
  4. Step 4: Simplify right side
    18,130.35x = 266,899,206.33
  5. Step 5: Solve for x
    x = 266,899,206.33/18,130.35
  6. Step 6: Final answer
    x = 14,721.13

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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.