Home / 21,339.60-32,005.80-6,544.50

Finding the Fourth Proportional to 21,339.60, 32,005.80 and 6,544.50

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Solution

The fourth proportional to 21,339.60, 32,005.80 and 6,544.50 is: 9,815.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,339.60 : 32,005.80 = 6,544.50 : x
  2. Step 2: Convert to fraction form
    21,339.60/32,005.80 = 6,544.50/x
  3. Step 3: Cross multiply
    21,339.60x = 32,005.80 × 6,544.50
  4. Step 4: Simplify right side
    21,339.60x = 209,461,958.10
  5. Step 5: Solve for x
    x = 209,461,958.10/21,339.60
  6. Step 6: Final answer
    x = 9,815.65

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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.