Home / 12,461.02-18,610.76-11,288.68

Finding the Fourth Proportional to 12,461.02, 18,610.76 and 11,288.68

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Solution

The fourth proportional to 12,461.02, 18,610.76 and 11,288.68 is: 16,859.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,461.02 : 18,610.76 = 11,288.68 : x
  2. Step 2: Convert to fraction form
    12,461.02/18,610.76 = 11,288.68/x
  3. Step 3: Cross multiply
    12,461.02x = 18,610.76 × 11,288.68
  4. Step 4: Simplify right side
    12,461.02x = 210,090,895.89
  5. Step 5: Solve for x
    x = 210,090,895.89/12,461.02
  6. Step 6: Final answer
    x = 16,859.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.