Home / 19,972.09-29,954.03-9,437.64

Finding the Fourth Proportional to 19,972.09, 29,954.03 and 9,437.64

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Solution

The fourth proportional to 19,972.09, 29,954.03 and 9,437.64 is: 14,154.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,972.09 : 29,954.03 = 9,437.64 : x
  2. Step 2: Convert to fraction form
    19,972.09/29,954.03 = 9,437.64/x
  3. Step 3: Cross multiply
    19,972.09x = 29,954.03 × 9,437.64
  4. Step 4: Simplify right side
    19,972.09x = 282,695,351.69
  5. Step 5: Solve for x
    x = 282,695,351.69/19,972.09
  6. Step 6: Final answer
    x = 14,154.52

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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.