Home / 15,995.04-22,072.95-8,921.58

Finding the Fourth Proportional to 15,995.04, 22,072.95 and 8,921.58

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Solution

The fourth proportional to 15,995.04, 22,072.95 and 8,921.58 is: 12,311.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,995.04 : 22,072.95 = 8,921.58 : x
  2. Step 2: Convert to fraction form
    15,995.04/22,072.95 = 8,921.58/x
  3. Step 3: Cross multiply
    15,995.04x = 22,072.95 × 8,921.58
  4. Step 4: Simplify right side
    15,995.04x = 196,925,589.26
  5. Step 5: Solve for x
    x = 196,925,589.26/15,995.04
  6. Step 6: Final answer
    x = 12,311.67

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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.