Home / 19,417.44-26,780.64-12,604.02

Finding the Fourth Proportional to 19,417.44, 26,780.64 and 12,604.02

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Solution

The fourth proportional to 19,417.44, 26,780.64 and 12,604.02 is: 17,383.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,417.44 : 26,780.64 = 12,604.02 : x
  2. Step 2: Convert to fraction form
    19,417.44/26,780.64 = 12,604.02/x
  3. Step 3: Cross multiply
    19,417.44x = 26,780.64 × 12,604.02
  4. Step 4: Simplify right side
    19,417.44x = 337,543,722.17
  5. Step 5: Solve for x
    x = 337,543,722.17/19,417.44
  6. Step 6: Final answer
    x = 17,383.53

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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.