Home / 14,009.52-21,007.80-6,220.56

Finding the Fourth Proportional to 14,009.52, 21,007.80 and 6,220.56

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Solution

The fourth proportional to 14,009.52, 21,007.80 and 6,220.56 is: 9,327.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,009.52 : 21,007.80 = 6,220.56 : x
  2. Step 2: Convert to fraction form
    14,009.52/21,007.80 = 6,220.56/x
  3. Step 3: Cross multiply
    14,009.52x = 21,007.80 × 6,220.56
  4. Step 4: Simplify right side
    14,009.52x = 130,680,280.37
  5. Step 5: Solve for x
    x = 130,680,280.37/14,009.52
  6. Step 6: Final answer
    x = 9,327.96

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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.