Home / 16,666.40-24,991.88-6,133.76

Finding the Fourth Proportional to 16,666.40, 24,991.88 and 6,133.76

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Solution

The fourth proportional to 16,666.40, 24,991.88 and 6,133.76 is: 9,197.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,666.40 : 24,991.88 = 6,133.76 : x
  2. Step 2: Convert to fraction form
    16,666.40/24,991.88 = 6,133.76/x
  3. Step 3: Cross multiply
    16,666.40x = 24,991.88 × 6,133.76
  4. Step 4: Simplify right side
    16,666.40x = 153,294,193.87
  5. Step 5: Solve for x
    x = 153,294,193.87/16,666.40
  6. Step 6: Final answer
    x = 9,197.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.