Home / 10,603.35-15,907.52-3,207.87

Finding the Fourth Proportional to 10,603.35, 15,907.52 and 3,207.87

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Solution

The fourth proportional to 10,603.35, 15,907.52 and 3,207.87 is: 4,812.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,603.35 : 15,907.52 = 3,207.87 : x
  2. Step 2: Convert to fraction form
    10,603.35/15,907.52 = 3,207.87/x
  3. Step 3: Cross multiply
    10,603.35x = 15,907.52 × 3,207.87
  4. Step 4: Simplify right side
    10,603.35x = 51,029,264.20
  5. Step 5: Solve for x
    x = 51,029,264.20/10,603.35
  6. Step 6: Final answer
    x = 4,812.56

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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.