Home / 19,862.87-29,794.30-5,071.25

Finding the Fourth Proportional to 19,862.87, 29,794.30 and 5,071.25

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Solution

The fourth proportional to 19,862.87, 29,794.30 and 5,071.25 is: 7,606.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,862.87 : 29,794.30 = 5,071.25 : x
  2. Step 2: Convert to fraction form
    19,862.87/29,794.30 = 5,071.25/x
  3. Step 3: Cross multiply
    19,862.87x = 29,794.30 × 5,071.25
  4. Step 4: Simplify right side
    19,862.87x = 151,094,318.52
  5. Step 5: Solve for x
    x = 151,094,318.52/19,862.87
  6. Step 6: Final answer
    x = 7,606.87

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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.