Home / 10,244.55-15,364.80-4,979.55

Finding the Fourth Proportional to 10,244.55, 15,364.80 and 4,979.55

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Solution

The fourth proportional to 10,244.55, 15,364.80 and 4,979.55 is: 7,468.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,244.55 : 15,364.80 = 4,979.55 : x
  2. Step 2: Convert to fraction form
    10,244.55/15,364.80 = 4,979.55/x
  3. Step 3: Cross multiply
    10,244.55x = 15,364.80 × 4,979.55
  4. Step 4: Simplify right side
    10,244.55x = 76,509,789.84
  5. Step 5: Solve for x
    x = 76,509,789.84/10,244.55
  6. Step 6: Final answer
    x = 7,468.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.