Home / 15,918.92-23,877.12-6,556.40

Finding the Fourth Proportional to 15,918.92, 23,877.12 and 6,556.40

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Solution

The fourth proportional to 15,918.92, 23,877.12 and 6,556.40 is: 9,834.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,918.92 : 23,877.12 = 6,556.40 : x
  2. Step 2: Convert to fraction form
    15,918.92/23,877.12 = 6,556.40/x
  3. Step 3: Cross multiply
    15,918.92x = 23,877.12 × 6,556.40
  4. Step 4: Simplify right side
    15,918.92x = 156,547,949.57
  5. Step 5: Solve for x
    x = 156,547,949.57/15,918.92
  6. Step 6: Final answer
    x = 9,834.08

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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.