Home / 14,712.86-20,304.15-7,998.94

Finding the Fourth Proportional to 14,712.86, 20,304.15 and 7,998.94

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Solution

The fourth proportional to 14,712.86, 20,304.15 and 7,998.94 is: 11,038.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,712.86 : 20,304.15 = 7,998.94 : x
  2. Step 2: Convert to fraction form
    14,712.86/20,304.15 = 7,998.94/x
  3. Step 3: Cross multiply
    14,712.86x = 20,304.15 × 7,998.94
  4. Step 4: Simplify right side
    14,712.86x = 162,411,677.60
  5. Step 5: Solve for x
    x = 162,411,677.60/14,712.86
  6. Step 6: Final answer
    x = 11,038.76

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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.