Home / 19,692.86-29,574.52-18,900.07

Finding the Fourth Proportional to 19,692.86, 29,574.52 and 18,900.07

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Solution

The fourth proportional to 19,692.86, 29,574.52 and 18,900.07 is: 28,383.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,692.86 : 29,574.52 = 18,900.07 : x
  2. Step 2: Convert to fraction form
    19,692.86/29,574.52 = 18,900.07/x
  3. Step 3: Cross multiply
    19,692.86x = 29,574.52 × 18,900.07
  4. Step 4: Simplify right side
    19,692.86x = 558,960,377.03
  5. Step 5: Solve for x
    x = 558,960,377.03/19,692.86
  6. Step 6: Final answer
    x = 28,383.92

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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.