Home / 16,680.29-23,020.47-9,964.98

Finding the Fourth Proportional to 16,680.29, 23,020.47 and 9,964.98

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Solution

The fourth proportional to 16,680.29, 23,020.47 and 9,964.98 is: 13,752.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,680.29 : 23,020.47 = 9,964.98 : x
  2. Step 2: Convert to fraction form
    16,680.29/23,020.47 = 9,964.98/x
  3. Step 3: Cross multiply
    16,680.29x = 23,020.47 × 9,964.98
  4. Step 4: Simplify right side
    16,680.29x = 229,398,523.14
  5. Step 5: Solve for x
    x = 229,398,523.14/16,680.29
  6. Step 6: Final answer
    x = 13,752.67

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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.