Home / 9,689.16-14,534.09-2,669.72

Finding the Fourth Proportional to 9,689.16, 14,534.09 and 2,669.72

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Solution

The fourth proportional to 9,689.16, 14,534.09 and 2,669.72 is: 4,004.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,689.16 : 14,534.09 = 2,669.72 : x
  2. Step 2: Convert to fraction form
    9,689.16/14,534.09 = 2,669.72/x
  3. Step 3: Cross multiply
    9,689.16x = 14,534.09 × 2,669.72
  4. Step 4: Simplify right side
    9,689.16x = 38,801,864.74
  5. Step 5: Solve for x
    x = 38,801,864.74/9,689.16
  6. Step 6: Final answer
    x = 4,004.67

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.