Home / 18,281.31-27,426.11-5,802.09

Finding the Fourth Proportional to 18,281.31, 27,426.11 and 5,802.09

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Solution

The fourth proportional to 18,281.31, 27,426.11 and 5,802.09 is: 8,704.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,281.31 : 27,426.11 = 5,802.09 : x
  2. Step 2: Convert to fraction form
    18,281.31/27,426.11 = 5,802.09/x
  3. Step 3: Cross multiply
    18,281.31x = 27,426.11 × 5,802.09
  4. Step 4: Simplify right side
    18,281.31x = 159,128,865.04
  5. Step 5: Solve for x
    x = 159,128,865.04/18,281.31
  6. Step 6: Final answer
    x = 8,704.45

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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.