Home / 15,918.87-23,877.09-6,556.49

Finding the Fourth Proportional to 15,918.87, 23,877.09 and 6,556.49

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Solution

The fourth proportional to 15,918.87, 23,877.09 and 6,556.49 is: 9,834.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,918.87 : 23,877.09 = 6,556.49 : x
  2. Step 2: Convert to fraction form
    15,918.87/23,877.09 = 6,556.49/x
  3. Step 3: Cross multiply
    15,918.87x = 23,877.09 × 6,556.49
  4. Step 4: Simplify right side
    15,918.87x = 156,549,782.43
  5. Step 5: Solve for x
    x = 156,549,782.43/15,918.87
  6. Step 6: Final answer
    x = 9,834.23

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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.