Home / 12,266.00-18,398.75-6,989.76

Finding the Fourth Proportional to 12,266.00, 18,398.75 and 6,989.76

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Solution

The fourth proportional to 12,266.00, 18,398.75 and 6,989.76 is: 10,484.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,266.00 : 18,398.75 = 6,989.76 : x
  2. Step 2: Convert to fraction form
    12,266.00/18,398.75 = 6,989.76/x
  3. Step 3: Cross multiply
    12,266.00x = 18,398.75 × 6,989.76
  4. Step 4: Simplify right side
    12,266.00x = 128,602,811.85
  5. Step 5: Solve for x
    x = 128,602,811.85/12,266.00
  6. Step 6: Final answer
    x = 10,484.50

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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.