Home / 15,323.58-21,146.54-8,610.50

Finding the Fourth Proportional to 15,323.58, 21,146.54 and 8,610.50

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Solution

The fourth proportional to 15,323.58, 21,146.54 and 8,610.50 is: 11,882.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,323.58 : 21,146.54 = 8,610.50 : x
  2. Step 2: Convert to fraction form
    15,323.58/21,146.54 = 8,610.50/x
  3. Step 3: Cross multiply
    15,323.58x = 21,146.54 × 8,610.50
  4. Step 4: Simplify right side
    15,323.58x = 182,082,292.48
  5. Step 5: Solve for x
    x = 182,082,292.48/15,323.58
  6. Step 6: Final answer
    x = 11,882.49

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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.