Home / 21,445.38-32,166.52-6,653.92

Finding the Fourth Proportional to 21,445.38, 32,166.52 and 6,653.92

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Solution

The fourth proportional to 21,445.38, 32,166.52 and 6,653.92 is: 9,980.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,445.38 : 32,166.52 = 6,653.92 : x
  2. Step 2: Convert to fraction form
    21,445.38/32,166.52 = 6,653.92/x
  3. Step 3: Cross multiply
    21,445.38x = 32,166.52 × 6,653.92
  4. Step 4: Simplify right side
    21,445.38x = 214,033,450.76
  5. Step 5: Solve for x
    x = 214,033,450.76/21,445.38
  6. Step 6: Final answer
    x = 9,980.40

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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.