Home / 19,237.79-28,860.41-7,390.69

Finding the Fourth Proportional to 19,237.79, 28,860.41 and 7,390.69

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Solution

The fourth proportional to 19,237.79, 28,860.41 and 7,390.69 is: 11,087.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,237.79 : 28,860.41 = 7,390.69 : x
  2. Step 2: Convert to fraction form
    19,237.79/28,860.41 = 7,390.69/x
  3. Step 3: Cross multiply
    19,237.79x = 28,860.41 × 7,390.69
  4. Step 4: Simplify right side
    19,237.79x = 213,298,289.91
  5. Step 5: Solve for x
    x = 213,298,289.91/19,237.79
  6. Step 6: Final answer
    x = 11,087.46

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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.