Home / 19,961.08-29,948.68-8,866.76

Finding the Fourth Proportional to 19,961.08, 29,948.68 and 8,866.76

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Solution

The fourth proportional to 19,961.08, 29,948.68 and 8,866.76 is: 13,303.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,961.08 : 29,948.68 = 8,866.76 : x
  2. Step 2: Convert to fraction form
    19,961.08/29,948.68 = 8,866.76/x
  3. Step 3: Cross multiply
    19,961.08x = 29,948.68 × 8,866.76
  4. Step 4: Simplify right side
    19,961.08x = 265,547,757.88
  5. Step 5: Solve for x
    x = 265,547,757.88/19,961.08
  6. Step 6: Final answer
    x = 13,303.28

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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.