Home / 15,266.35-21,063.57-8,804.42

Finding the Fourth Proportional to 15,266.35, 21,063.57 and 8,804.42

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Solution

The fourth proportional to 15,266.35, 21,063.57 and 8,804.42 is: 12,147.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,266.35 : 21,063.57 = 8,804.42 : x
  2. Step 2: Convert to fraction form
    15,266.35/21,063.57 = 8,804.42/x
  3. Step 3: Cross multiply
    15,266.35x = 21,063.57 × 8,804.42
  4. Step 4: Simplify right side
    15,266.35x = 185,452,541.64
  5. Step 5: Solve for x
    x = 185,452,541.64/15,266.35
  6. Step 6: Final answer
    x = 12,147.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.