Home / 14,581.31-20,115-9,277.83

Finding the Fourth Proportional to 14,581.31, 20,115 and 9,277.83

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Solution

The fourth proportional to 14,581.31, 20,115 and 9,277.83 is: 12,798.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,581.31 : 20,115 = 9,277.83 : x
  2. Step 2: Convert to fraction form
    14,581.31/20,115 = 9,277.83/x
  3. Step 3: Cross multiply
    14,581.31x = 20,115 × 9,277.83
  4. Step 4: Simplify right side
    14,581.31x = 186,623,550.45
  5. Step 5: Solve for x
    x = 186,623,550.45/14,581.31
  6. Step 6: Final answer
    x = 12,798.82

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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.