Home / 15,914.46-21,960.27-9,199.02

Finding the Fourth Proportional to 15,914.46, 21,960.27 and 9,199.02

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Solution

The fourth proportional to 15,914.46, 21,960.27 and 9,199.02 is: 12,693.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,914.46 : 21,960.27 = 9,199.02 : x
  2. Step 2: Convert to fraction form
    15,914.46/21,960.27 = 9,199.02/x
  3. Step 3: Cross multiply
    15,914.46x = 21,960.27 × 9,199.02
  4. Step 4: Simplify right side
    15,914.46x = 202,012,962.94
  5. Step 5: Solve for x
    x = 202,012,962.94/15,914.46
  6. Step 6: Final answer
    x = 12,693.67

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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.