Home / 10,603.13-15,904.69-3,307.13

Finding the Fourth Proportional to 10,603.13, 15,904.69 and 3,307.13

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Solution

The fourth proportional to 10,603.13, 15,904.69 and 3,307.13 is: 4,960.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,603.13 : 15,904.69 = 3,307.13 : x
  2. Step 2: Convert to fraction form
    10,603.13/15,904.69 = 3,307.13/x
  3. Step 3: Cross multiply
    10,603.13x = 15,904.69 × 3,307.13
  4. Step 4: Simplify right side
    10,603.13x = 52,598,797.92
  5. Step 5: Solve for x
    x = 52,598,797.92/10,603.13
  6. Step 6: Final answer
    x = 4,960.69

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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.