Home / 19,438.30-29,150.13-6,287.14

Finding the Fourth Proportional to 19,438.30, 29,150.13 and 6,287.14

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Solution

The fourth proportional to 19,438.30, 29,150.13 and 6,287.14 is: 9,428.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,438.30 : 29,150.13 = 6,287.14 : x
  2. Step 2: Convert to fraction form
    19,438.30/29,150.13 = 6,287.14/x
  3. Step 3: Cross multiply
    19,438.30x = 29,150.13 × 6,287.14
  4. Step 4: Simplify right side
    19,438.30x = 183,270,948.33
  5. Step 5: Solve for x
    x = 183,270,948.33/19,438.30
  6. Step 6: Final answer
    x = 9,428.34

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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.