Home / 9,431.70-14,139.45-6,649.62

Finding the Fourth Proportional to 9,431.70, 14,139.45 and 6,649.62

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Solution

The fourth proportional to 9,431.70, 14,139.45 and 6,649.62 is: 9,968.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,431.70 : 14,139.45 = 6,649.62 : x
  2. Step 2: Convert to fraction form
    9,431.70/14,139.45 = 6,649.62/x
  3. Step 3: Cross multiply
    9,431.70x = 14,139.45 × 6,649.62
  4. Step 4: Simplify right side
    9,431.70x = 94,021,969.51
  5. Step 5: Solve for x
    x = 94,021,969.51/9,431.70
  6. Step 6: Final answer
    x = 9,968.72

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Double scale
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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.