Home / 19,266.30-28,897.50-9,412.38

Finding the Fourth Proportional to 19,266.30, 28,897.50 and 9,412.38

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Solution

The fourth proportional to 19,266.30, 28,897.50 and 9,412.38 is: 14,117.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,266.30 : 28,897.50 = 9,412.38 : x
  2. Step 2: Convert to fraction form
    19,266.30/28,897.50 = 9,412.38/x
  3. Step 3: Cross multiply
    19,266.30x = 28,897.50 × 9,412.38
  4. Step 4: Simplify right side
    19,266.30x = 271,994,251.05
  5. Step 5: Solve for x
    x = 271,994,251.05/19,266.30
  6. Step 6: Final answer
    x = 14,117.62

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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.