Home / 10,240.58-15,365.68-5,307.54

Finding the Fourth Proportional to 10,240.58, 15,365.68 and 5,307.54

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Solution

The fourth proportional to 10,240.58, 15,365.68 and 5,307.54 is: 7,963.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,240.58 : 15,365.68 = 5,307.54 : x
  2. Step 2: Convert to fraction form
    10,240.58/15,365.68 = 5,307.54/x
  3. Step 3: Cross multiply
    10,240.58x = 15,365.68 × 5,307.54
  4. Step 4: Simplify right side
    10,240.58x = 81,553,961.23
  5. Step 5: Solve for x
    x = 81,553,961.23/10,240.58
  6. Step 6: Final answer
    x = 7,963.80

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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.