Home / 19,002.64-26,226.12-10,620.88

Finding the Fourth Proportional to 19,002.64, 26,226.12 and 10,620.88

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Solution

The fourth proportional to 19,002.64, 26,226.12 and 10,620.88 is: 14,658.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,002.64 : 26,226.12 = 10,620.88 : x
  2. Step 2: Convert to fraction form
    19,002.64/26,226.12 = 10,620.88/x
  3. Step 3: Cross multiply
    19,002.64x = 26,226.12 × 10,620.88
  4. Step 4: Simplify right side
    19,002.64x = 278,544,473.39
  5. Step 5: Solve for x
    x = 278,544,473.39/19,002.64
  6. Step 6: Final answer
    x = 14,658.20

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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.