Home / 21,962.16-32,934.96-7,918.32

Finding the Fourth Proportional to 21,962.16, 32,934.96 and 7,918.32

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Solution

The fourth proportional to 21,962.16, 32,934.96 and 7,918.32 is: 11,874.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,962.16 : 32,934.96 = 7,918.32 : x
  2. Step 2: Convert to fraction form
    21,962.16/32,934.96 = 7,918.32/x
  3. Step 3: Cross multiply
    21,962.16x = 32,934.96 × 7,918.32
  4. Step 4: Simplify right side
    21,962.16x = 260,789,552.47
  5. Step 5: Solve for x
    x = 260,789,552.47/21,962.16
  6. Step 6: Final answer
    x = 11,874.49

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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.