Home / 15,428.69-23,143.04-3,741.91

Finding the Fourth Proportional to 15,428.69, 23,143.04 and 3,741.91

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Solution

The fourth proportional to 15,428.69, 23,143.04 and 3,741.91 is: 5,612.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,428.69 : 23,143.04 = 3,741.91 : x
  2. Step 2: Convert to fraction form
    15,428.69/23,143.04 = 3,741.91/x
  3. Step 3: Cross multiply
    15,428.69x = 23,143.04 × 3,741.91
  4. Step 4: Simplify right side
    15,428.69x = 86,599,230.66
  5. Step 5: Solve for x
    x = 86,599,230.66/15,428.69
  6. Step 6: Final answer
    x = 5,612.87

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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.