Home / 21,340.60-32,015.70-6,550.20

Finding the Fourth Proportional to 21,340.60, 32,015.70 and 6,550.20

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Solution

The fourth proportional to 21,340.60, 32,015.70 and 6,550.20 is: 9,826.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,340.60 : 32,015.70 = 6,550.20 : x
  2. Step 2: Convert to fraction form
    21,340.60/32,015.70 = 6,550.20/x
  3. Step 3: Cross multiply
    21,340.60x = 32,015.70 × 6,550.20
  4. Step 4: Simplify right side
    21,340.60x = 209,709,238.14
  5. Step 5: Solve for x
    x = 209,709,238.14/21,340.60
  6. Step 6: Final answer
    x = 9,826.77

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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.