Home / 19,238.40-28,848.96-7,545.60

Finding the Fourth Proportional to 19,238.40, 28,848.96 and 7,545.60

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Solution

The fourth proportional to 19,238.40, 28,848.96 and 7,545.60 is: 11,315.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,238.40 : 28,848.96 = 7,545.60 : x
  2. Step 2: Convert to fraction form
    19,238.40/28,848.96 = 7,545.60/x
  3. Step 3: Cross multiply
    19,238.40x = 28,848.96 × 7,545.60
  4. Step 4: Simplify right side
    19,238.40x = 217,682,712.58
  5. Step 5: Solve for x
    x = 217,682,712.58/19,238.40
  6. Step 6: Final answer
    x = 11,315.01

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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.