Home / 15,235.63-21,025.49-8,522.01

Finding the Fourth Proportional to 15,235.63, 21,025.49 and 8,522.01

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Solution

The fourth proportional to 15,235.63, 21,025.49 and 8,522.01 is: 11,760.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,235.63 : 21,025.49 = 8,522.01 : x
  2. Step 2: Convert to fraction form
    15,235.63/21,025.49 = 8,522.01/x
  3. Step 3: Cross multiply
    15,235.63x = 21,025.49 × 8,522.01
  4. Step 4: Simplify right side
    15,235.63x = 179,179,393.42
  5. Step 5: Solve for x
    x = 179,179,393.42/15,235.63
  6. Step 6: Final answer
    x = 11,760.55

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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.