Home / 19,510.72-29,258.80-7,027.36

Finding the Fourth Proportional to 19,510.72, 29,258.80 and 7,027.36

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Solution

The fourth proportional to 19,510.72, 29,258.80 and 7,027.36 is: 10,538.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,510.72 : 29,258.80 = 7,027.36 : x
  2. Step 2: Convert to fraction form
    19,510.72/29,258.80 = 7,027.36/x
  3. Step 3: Cross multiply
    19,510.72x = 29,258.80 × 7,027.36
  4. Step 4: Simplify right side
    19,510.72x = 205,612,120.77
  5. Step 5: Solve for x
    x = 205,612,120.77/19,510.72
  6. Step 6: Final answer
    x = 10,538.42

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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.