Home / 18,898.05-28,341.99-5,746.89

Finding the Fourth Proportional to 18,898.05, 28,341.99 and 5,746.89

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Solution

The fourth proportional to 18,898.05, 28,341.99 and 5,746.89 is: 8,618.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,898.05 : 28,341.99 = 5,746.89 : x
  2. Step 2: Convert to fraction form
    18,898.05/28,341.99 = 5,746.89/x
  3. Step 3: Cross multiply
    18,898.05x = 28,341.99 × 5,746.89
  4. Step 4: Simplify right side
    18,898.05x = 162,878,298.91
  5. Step 5: Solve for x
    x = 162,878,298.91/18,898.05
  6. Step 6: Final answer
    x = 8,618.79

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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.