Home / 10,161.83-14,020.58-6,976.10

Finding the Fourth Proportional to 10,161.83, 14,020.58 and 6,976.10

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Solution

The fourth proportional to 10,161.83, 14,020.58 and 6,976.10 is: 9,625.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,161.83 : 14,020.58 = 6,976.10 : x
  2. Step 2: Convert to fraction form
    10,161.83/14,020.58 = 6,976.10/x
  3. Step 3: Cross multiply
    10,161.83x = 14,020.58 × 6,976.10
  4. Step 4: Simplify right side
    10,161.83x = 97,808,933.26
  5. Step 5: Solve for x
    x = 97,808,933.26/10,161.83
  6. Step 6: Final answer
    x = 9,625.13

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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.