Home / 10,603.26-15,904.89-3,678.30

Finding the Fourth Proportional to 10,603.26, 15,904.89 and 3,678.30

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Solution

The fourth proportional to 10,603.26, 15,904.89 and 3,678.30 is: 5,517.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,603.26 : 15,904.89 = 3,678.30 : x
  2. Step 2: Convert to fraction form
    10,603.26/15,904.89 = 3,678.30/x
  3. Step 3: Cross multiply
    10,603.26x = 15,904.89 × 3,678.30
  4. Step 4: Simplify right side
    10,603.26x = 58,502,956.89
  5. Step 5: Solve for x
    x = 58,502,956.89/10,603.26
  6. Step 6: Final answer
    x = 5,517.45

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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.