Home / 15,794.40-21,800.16-11,089.92

Finding the Fourth Proportional to 15,794.40, 21,800.16 and 11,089.92

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Solution

The fourth proportional to 15,794.40, 21,800.16 and 11,089.92 is: 15,306.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,794.40 : 21,800.16 = 11,089.92 : x
  2. Step 2: Convert to fraction form
    15,794.40/21,800.16 = 11,089.92/x
  3. Step 3: Cross multiply
    15,794.40x = 21,800.16 × 11,089.92
  4. Step 4: Simplify right side
    15,794.40x = 241,762,030.39
  5. Step 5: Solve for x
    x = 241,762,030.39/15,794.40
  6. Step 6: Final answer
    x = 15,306.82

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.