Home / 20,444.90-28,215.63-11,834.00

Finding the Fourth Proportional to 20,444.90, 28,215.63 and 11,834.00

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Solution

The fourth proportional to 20,444.90, 28,215.63 and 11,834.00 is: 16,331.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,444.90 : 28,215.63 = 11,834.00 : x
  2. Step 2: Convert to fraction form
    20,444.90/28,215.63 = 11,834.00/x
  3. Step 3: Cross multiply
    20,444.90x = 28,215.63 × 11,834.00
  4. Step 4: Simplify right side
    20,444.90x = 333,903,624.34
  5. Step 5: Solve for x
    x = 333,903,624.34/20,444.90
  6. Step 6: Final answer
    x = 16,331.88

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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.