Home / 19,306.28-26,647.20-12,580.28

Finding the Fourth Proportional to 19,306.28, 26,647.20 and 12,580.28

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Solution

The fourth proportional to 19,306.28, 26,647.20 and 12,580.28 is: 17,363.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,306.28 : 26,647.20 = 12,580.28 : x
  2. Step 2: Convert to fraction form
    19,306.28/26,647.20 = 12,580.28/x
  3. Step 3: Cross multiply
    19,306.28x = 26,647.20 × 12,580.28
  4. Step 4: Simplify right side
    19,306.28x = 335,229,237.22
  5. Step 5: Solve for x
    x = 335,229,237.22/19,306.28
  6. Step 6: Final answer
    x = 17,363.74

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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.