Home / 21,340.60-32,007.30-6,545.50

Finding the Fourth Proportional to 21,340.60, 32,007.30 and 6,545.50

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Solution

The fourth proportional to 21,340.60, 32,007.30 and 6,545.50 is: 9,817.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,340.60 : 32,007.30 = 6,545.50 : x
  2. Step 2: Convert to fraction form
    21,340.60/32,007.30 = 6,545.50/x
  3. Step 3: Cross multiply
    21,340.60x = 32,007.30 × 6,545.50
  4. Step 4: Simplify right side
    21,340.60x = 209,503,782.15
  5. Step 5: Solve for x
    x = 209,503,782.15/21,340.60
  6. Step 6: Final answer
    x = 9,817.15

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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.