Home / 15,526.46-21,425.94-8,452.74

Finding the Fourth Proportional to 15,526.46, 21,425.94 and 8,452.74

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Solution

The fourth proportional to 15,526.46, 21,425.94 and 8,452.74 is: 11,664.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,526.46 : 21,425.94 = 8,452.74 : x
  2. Step 2: Convert to fraction form
    15,526.46/21,425.94 = 8,452.74/x
  3. Step 3: Cross multiply
    15,526.46x = 21,425.94 × 8,452.74
  4. Step 4: Simplify right side
    15,526.46x = 181,107,900.08
  5. Step 5: Solve for x
    x = 181,107,900.08/15,526.46
  6. Step 6: Final answer
    x = 11,664.47

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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.