Home / 18,281.18-27,421.77-5,802.53

Finding the Fourth Proportional to 18,281.18, 27,421.77 and 5,802.53

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Solution

The fourth proportional to 18,281.18, 27,421.77 and 5,802.53 is: 8,703.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,281.18 : 27,421.77 = 5,802.53 : x
  2. Step 2: Convert to fraction form
    18,281.18/27,421.77 = 5,802.53/x
  3. Step 3: Cross multiply
    18,281.18x = 27,421.77 × 5,802.53
  4. Step 4: Simplify right side
    18,281.18x = 159,115,505.97
  5. Step 5: Solve for x
    x = 159,115,505.97/18,281.18
  6. Step 6: Final answer
    x = 8,703.79

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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.