Home / 10,307.06-15,459.78-2,911.22

Finding the Fourth Proportional to 10,307.06, 15,459.78 and 2,911.22

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Solution

The fourth proportional to 10,307.06, 15,459.78 and 2,911.22 is: 4,366.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,307.06 : 15,459.78 = 2,911.22 : x
  2. Step 2: Convert to fraction form
    10,307.06/15,459.78 = 2,911.22/x
  3. Step 3: Cross multiply
    10,307.06x = 15,459.78 × 2,911.22
  4. Step 4: Simplify right side
    10,307.06x = 45,006,820.73
  5. Step 5: Solve for x
    x = 45,006,820.73/10,307.06
  6. Step 6: Final answer
    x = 4,366.60

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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.