Home / 17,391.79-26,066.31-8,018.80

Finding the Fourth Proportional to 17,391.79, 26,066.31 and 8,018.80

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Solution

The fourth proportional to 17,391.79, 26,066.31 and 8,018.80 is: 12,018.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,391.79 : 26,066.31 = 8,018.80 : x
  2. Step 2: Convert to fraction form
    17,391.79/26,066.31 = 8,018.80/x
  3. Step 3: Cross multiply
    17,391.79x = 26,066.31 × 8,018.80
  4. Step 4: Simplify right side
    17,391.79x = 209,020,526.63
  5. Step 5: Solve for x
    x = 209,020,526.63/17,391.79
  6. Step 6: Final answer
    x = 12,018.34

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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.