Home / 21,154.03-31,726.59-6,358.57

Finding the Fourth Proportional to 21,154.03, 31,726.59 and 6,358.57

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Solution

The fourth proportional to 21,154.03, 31,726.59 and 6,358.57 is: 9,536.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,154.03 : 31,726.59 = 6,358.57 : x
  2. Step 2: Convert to fraction form
    21,154.03/31,726.59 = 6,358.57/x
  3. Step 3: Cross multiply
    21,154.03x = 31,726.59 × 6,358.57
  4. Step 4: Simplify right side
    21,154.03x = 201,735,743.38
  5. Step 5: Solve for x
    x = 201,735,743.38/21,154.03
  6. Step 6: Final answer
    x = 9,536.52

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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.