Home / 20,686.49-31,026.02-8,846.93

Finding the Fourth Proportional to 20,686.49, 31,026.02 and 8,846.93

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Solution

The fourth proportional to 20,686.49, 31,026.02 and 8,846.93 is: 13,268.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,686.49 : 31,026.02 = 8,846.93 : x
  2. Step 2: Convert to fraction form
    20,686.49/31,026.02 = 8,846.93/x
  3. Step 3: Cross multiply
    20,686.49x = 31,026.02 × 8,846.93
  4. Step 4: Simplify right side
    20,686.49x = 274,484,885.93
  5. Step 5: Solve for x
    x = 274,484,885.93/20,686.49
  6. Step 6: Final answer
    x = 13,268.80

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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.