Home / 14,901.89-20,582.80-11,141.75

Finding the Fourth Proportional to 14,901.89, 20,582.80 and 11,141.75

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Solution

The fourth proportional to 14,901.89, 20,582.80 and 11,141.75 is: 15,389.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,901.89 : 20,582.80 = 11,141.75 : x
  2. Step 2: Convert to fraction form
    14,901.89/20,582.80 = 11,141.75/x
  3. Step 3: Cross multiply
    14,901.89x = 20,582.80 × 11,141.75
  4. Step 4: Simplify right side
    14,901.89x = 229,328,435.50
  5. Step 5: Solve for x
    x = 229,328,435.50/14,901.89
  6. Step 6: Final answer
    x = 15,389.22

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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.