Home / 10,166.34-14,026.78-6,980.60

Finding the Fourth Proportional to 10,166.34, 14,026.78 and 6,980.60

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Solution

The fourth proportional to 10,166.34, 14,026.78 and 6,980.60 is: 9,631.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,166.34 : 14,026.78 = 6,980.60 : x
  2. Step 2: Convert to fraction form
    10,166.34/14,026.78 = 6,980.60/x
  3. Step 3: Cross multiply
    10,166.34x = 14,026.78 × 6,980.60
  4. Step 4: Simplify right side
    10,166.34x = 97,915,340.47
  5. Step 5: Solve for x
    x = 97,915,340.47/10,166.34
  6. Step 6: Final answer
    x = 9,631.33

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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.