Home / 21,973.52-32,964.52-7,178.46

Finding the Fourth Proportional to 21,973.52, 32,964.52 and 7,178.46

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Solution

The fourth proportional to 21,973.52, 32,964.52 and 7,178.46 is: 10,769.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,973.52 : 32,964.52 = 7,178.46 : x
  2. Step 2: Convert to fraction form
    21,973.52/32,964.52 = 7,178.46/x
  3. Step 3: Cross multiply
    21,973.52x = 32,964.52 × 7,178.46
  4. Step 4: Simplify right side
    21,973.52x = 236,634,488.24
  5. Step 5: Solve for x
    x = 236,634,488.24/21,973.52
  6. Step 6: Final answer
    x = 10,769.08

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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.