Home / 17,895.80-26,822.10-9,126.20

Finding the Fourth Proportional to 17,895.80, 26,822.10 and 9,126.20

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Solution

The fourth proportional to 17,895.80, 26,822.10 and 9,126.20 is: 13,678.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,895.80 : 26,822.10 = 9,126.20 : x
  2. Step 2: Convert to fraction form
    17,895.80/26,822.10 = 9,126.20/x
  3. Step 3: Cross multiply
    17,895.80x = 26,822.10 × 9,126.20
  4. Step 4: Simplify right side
    17,895.80x = 244,783,849.02
  5. Step 5: Solve for x
    x = 244,783,849.02/17,895.80
  6. Step 6: Final answer
    x = 13,678.28

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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.