Home / 19,807.45-27,327.50-11,303.44

Finding the Fourth Proportional to 19,807.45, 27,327.50 and 11,303.44

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Solution

The fourth proportional to 19,807.45, 27,327.50 and 11,303.44 is: 15,594.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,807.45 : 27,327.50 = 11,303.44 : x
  2. Step 2: Convert to fraction form
    19,807.45/27,327.50 = 11,303.44/x
  3. Step 3: Cross multiply
    19,807.45x = 27,327.50 × 11,303.44
  4. Step 4: Simplify right side
    19,807.45x = 308,894,674.15
  5. Step 5: Solve for x
    x = 308,894,674.15/19,807.45
  6. Step 6: Final answer
    x = 15,594.87

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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.