Home / 21,953.46-32,918.66-11,397.69

Finding the Fourth Proportional to 21,953.46, 32,918.66 and 11,397.69

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Solution

The fourth proportional to 21,953.46, 32,918.66 and 11,397.69 is: 17,090.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,953.46 : 32,918.66 = 11,397.69 : x
  2. Step 2: Convert to fraction form
    21,953.46/32,918.66 = 11,397.69/x
  3. Step 3: Cross multiply
    21,953.46x = 32,918.66 × 11,397.69
  4. Step 4: Simplify right side
    21,953.46x = 375,196,637.17
  5. Step 5: Solve for x
    x = 375,196,637.17/21,953.46
  6. Step 6: Final answer
    x = 17,090.54

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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.