Home / 19,009.72-26,229.78-12,303.88

Finding the Fourth Proportional to 19,009.72, 26,229.78 and 12,303.88

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Solution

The fourth proportional to 19,009.72, 26,229.78 and 12,303.88 is: 16,977.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,009.72 : 26,229.78 = 12,303.88 : x
  2. Step 2: Convert to fraction form
    19,009.72/26,229.78 = 12,303.88/x
  3. Step 3: Cross multiply
    19,009.72x = 26,229.78 × 12,303.88
  4. Step 4: Simplify right side
    19,009.72x = 322,728,065.55
  5. Step 5: Solve for x
    x = 322,728,065.55/19,009.72
  6. Step 6: Final answer
    x = 16,977.00

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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.