Home / 15,985.76-22,054.57-9,267.69

Finding the Fourth Proportional to 15,985.76, 22,054.57 and 9,267.69

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Solution

The fourth proportional to 15,985.76, 22,054.57 and 9,267.69 is: 12,786.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,985.76 : 22,054.57 = 9,267.69 : x
  2. Step 2: Convert to fraction form
    15,985.76/22,054.57 = 9,267.69/x
  3. Step 3: Cross multiply
    15,985.76x = 22,054.57 × 9,267.69
  4. Step 4: Simplify right side
    15,985.76x = 204,394,894.67
  5. Step 5: Solve for x
    x = 204,394,894.67/15,985.76
  6. Step 6: Final answer
    x = 12,786.06

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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.