Home / 15,981.73-22,054.88-9,271.35

Finding the Fourth Proportional to 15,981.73, 22,054.88 and 9,271.35

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Solution

The fourth proportional to 15,981.73, 22,054.88 and 9,271.35 is: 12,794.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,981.73 : 22,054.88 = 9,271.35 : x
  2. Step 2: Convert to fraction form
    15,981.73/22,054.88 = 9,271.35/x
  3. Step 3: Cross multiply
    15,981.73x = 22,054.88 × 9,271.35
  4. Step 4: Simplify right side
    15,981.73x = 204,478,511.69
  5. Step 5: Solve for x
    x = 204,478,511.69/15,981.73
  6. Step 6: Final answer
    x = 12,794.52

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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.