Home / 12,603.24-18,904.86-3,369

Finding the Fourth Proportional to 12,603.24, 18,904.86 and 3,369

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Solution

The fourth proportional to 12,603.24, 18,904.86 and 3,369 is: 5,053.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,603.24 : 18,904.86 = 3,369 : x
  2. Step 2: Convert to fraction form
    12,603.24/18,904.86 = 3,369/x
  3. Step 3: Cross multiply
    12,603.24x = 18,904.86 × 3,369
  4. Step 4: Simplify right side
    12,603.24x = 63,690,473.34
  5. Step 5: Solve for x
    x = 63,690,473.34/12,603.24
  6. Step 6: Final answer
    x = 5,053.50

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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.