Home / 18,144.81-27,210.21-7,050.04

Finding the Fourth Proportional to 18,144.81, 27,210.21 and 7,050.04

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Solution

The fourth proportional to 18,144.81, 27,210.21 and 7,050.04 is: 10,572.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,144.81 : 27,210.21 = 7,050.04 : x
  2. Step 2: Convert to fraction form
    18,144.81/27,210.21 = 7,050.04/x
  3. Step 3: Cross multiply
    18,144.81x = 27,210.21 × 7,050.04
  4. Step 4: Simplify right side
    18,144.81x = 191,832,959.29
  5. Step 5: Solve for x
    x = 191,832,959.29/18,144.81
  6. Step 6: Final answer
    x = 10,572.33

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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.