Home / 11,803.60-16,289.17-6,426.19

Finding the Fourth Proportional to 11,803.60, 16,289.17 and 6,426.19

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Solution

The fourth proportional to 11,803.60, 16,289.17 and 6,426.19 is: 8,868.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,803.60 : 16,289.17 = 6,426.19 : x
  2. Step 2: Convert to fraction form
    11,803.60/16,289.17 = 6,426.19/x
  3. Step 3: Cross multiply
    11,803.60x = 16,289.17 × 6,426.19
  4. Step 4: Simplify right side
    11,803.60x = 104,677,277.77
  5. Step 5: Solve for x
    x = 104,677,277.77/11,803.60
  6. Step 6: Final answer
    x = 8,868.25

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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.