Home / 10,307.12-15,455.14-3,285.23

Finding the Fourth Proportional to 10,307.12, 15,455.14 and 3,285.23

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Solution

The fourth proportional to 10,307.12, 15,455.14 and 3,285.23 is: 4,926.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,307.12 : 15,455.14 = 3,285.23 : x
  2. Step 2: Convert to fraction form
    10,307.12/15,455.14 = 3,285.23/x
  3. Step 3: Cross multiply
    10,307.12x = 15,455.14 × 3,285.23
  4. Step 4: Simplify right side
    10,307.12x = 50,773,604.09
  5. Step 5: Solve for x
    x = 50,773,604.09/10,307.12
  6. Step 6: Final answer
    x = 4,926.07

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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.