Home / 20,901.58-31,353.04-6,109.24

Finding the Fourth Proportional to 20,901.58, 31,353.04 and 6,109.24

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Solution

The fourth proportional to 20,901.58, 31,353.04 and 6,109.24 is: 9,164.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,901.58 : 31,353.04 = 6,109.24 : x
  2. Step 2: Convert to fraction form
    20,901.58/31,353.04 = 6,109.24/x
  3. Step 3: Cross multiply
    20,901.58x = 31,353.04 × 6,109.24
  4. Step 4: Simplify right side
    20,901.58x = 191,543,246.09
  5. Step 5: Solve for x
    x = 191,543,246.09/20,901.58
  6. Step 6: Final answer
    x = 9,164.06

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1.5x scale

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.