Home / 19,909.08-27,465.30-11,937.45

Finding the Fourth Proportional to 19,909.08, 27,465.30 and 11,937.45

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Solution

The fourth proportional to 19,909.08, 27,465.30 and 11,937.45 is: 16,468.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,909.08 : 27,465.30 = 11,937.45 : x
  2. Step 2: Convert to fraction form
    19,909.08/27,465.30 = 11,937.45/x
  3. Step 3: Cross multiply
    19,909.08x = 27,465.30 × 11,937.45
  4. Step 4: Simplify right side
    19,909.08x = 327,865,645.49
  5. Step 5: Solve for x
    x = 327,865,645.49/19,909.08
  6. Step 6: Final answer
    x = 16,468.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.