Home / 21,890.16-32,830.44-6,304.40

Finding the Fourth Proportional to 21,890.16, 32,830.44 and 6,304.40

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Solution

The fourth proportional to 21,890.16, 32,830.44 and 6,304.40 is: 9,455.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,890.16 : 32,830.44 = 6,304.40 : x
  2. Step 2: Convert to fraction form
    21,890.16/32,830.44 = 6,304.40/x
  3. Step 3: Cross multiply
    21,890.16x = 32,830.44 × 6,304.40
  4. Step 4: Simplify right side
    21,890.16x = 206,976,225.94
  5. Step 5: Solve for x
    x = 206,976,225.94/21,890.16
  6. Step 6: Final answer
    x = 9,455.22

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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.