Home / 20,964.51-31,427.33-11,095.47

Finding the Fourth Proportional to 20,964.51, 31,427.33 and 11,095.47

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Solution

The fourth proportional to 20,964.51, 31,427.33 and 11,095.47 is: 16,632.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,964.51 : 31,427.33 = 11,095.47 : x
  2. Step 2: Convert to fraction form
    20,964.51/31,427.33 = 11,095.47/x
  3. Step 3: Cross multiply
    20,964.51x = 31,427.33 × 11,095.47
  4. Step 4: Simplify right side
    20,964.51x = 348,700,941.72
  5. Step 5: Solve for x
    x = 348,700,941.72/20,964.51
  6. Step 6: Final answer
    x = 16,632.92

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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.