Home / 15,989.39-22,059.57-9,271.32

Finding the Fourth Proportional to 15,989.39, 22,059.57 and 9,271.32

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Solution

The fourth proportional to 15,989.39, 22,059.57 and 9,271.32 is: 12,791.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,989.39 : 22,059.57 = 9,271.32 : x
  2. Step 2: Convert to fraction form
    15,989.39/22,059.57 = 9,271.32/x
  3. Step 3: Cross multiply
    15,989.39x = 22,059.57 × 9,271.32
  4. Step 4: Simplify right side
    15,989.39x = 204,521,332.53
  5. Step 5: Solve for x
    x = 204,521,332.53/15,989.39
  6. Step 6: Final answer
    x = 12,791.07

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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.