Home / 21,304.12-31,970.58-7,453.24

Finding the Fourth Proportional to 21,304.12, 31,970.58 and 7,453.24

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Solution

The fourth proportional to 21,304.12, 31,970.58 and 7,453.24 is: 11,184.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,304.12 : 31,970.58 = 7,453.24 : x
  2. Step 2: Convert to fraction form
    21,304.12/31,970.58 = 7,453.24/x
  3. Step 3: Cross multiply
    21,304.12x = 31,970.58 × 7,453.24
  4. Step 4: Simplify right side
    21,304.12x = 238,284,405.68
  5. Step 5: Solve for x
    x = 238,284,405.68/21,304.12
  6. Step 6: Final answer
    x = 11,184.90

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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.