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Finding the Fourth Proportional to 11,266.35, 15,548 and 7,482.99

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Solution

The fourth proportional to 11,266.35, 15,548 and 7,482.99 is: 10,326.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,266.35 : 15,548 = 7,482.99 : x
  2. Step 2: Convert to fraction form
    11,266.35/15,548 = 7,482.99/x
  3. Step 3: Cross multiply
    11,266.35x = 15,548 × 7,482.99
  4. Step 4: Simplify right side
    11,266.35x = 116,345,528.52
  5. Step 5: Solve for x
    x = 116,345,528.52/11,266.35
  6. Step 6: Final answer
    x = 10,326.82

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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.