Home / 9,689.78-14,537.06-3,116.13

Finding the Fourth Proportional to 9,689.78, 14,537.06 and 3,116.13

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Solution

The fourth proportional to 9,689.78, 14,537.06 and 3,116.13 is: 4,674.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,689.78 : 14,537.06 = 3,116.13 : x
  2. Step 2: Convert to fraction form
    9,689.78/14,537.06 = 3,116.13/x
  3. Step 3: Cross multiply
    9,689.78x = 14,537.06 × 3,116.13
  4. Step 4: Simplify right side
    9,689.78x = 45,299,408.20
  5. Step 5: Solve for x
    x = 45,299,408.20/9,689.78
  6. Step 6: Final answer
    x = 4,674.97

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1.5x scale

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.