Home / 10,307.97-15,459.66-2,913.12

Finding the Fourth Proportional to 10,307.97, 15,459.66 and 2,913.12

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Solution

The fourth proportional to 10,307.97, 15,459.66 and 2,913.12 is: 4,369.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,307.97 : 15,459.66 = 2,913.12 : x
  2. Step 2: Convert to fraction form
    10,307.97/15,459.66 = 2,913.12/x
  3. Step 3: Cross multiply
    10,307.97x = 15,459.66 × 2,913.12
  4. Step 4: Simplify right side
    10,307.97x = 45,035,844.74
  5. Step 5: Solve for x
    x = 45,035,844.74/10,307.97
  6. Step 6: Final answer
    x = 4,369.03

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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.