Home / 10,266.60-14,167.90-5,550.84

Finding the Fourth Proportional to 10,266.60, 14,167.90 and 5,550.84

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Solution

The fourth proportional to 10,266.60, 14,167.90 and 5,550.84 is: 7,660.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,266.60 : 14,167.90 = 5,550.84 : x
  2. Step 2: Convert to fraction form
    10,266.60/14,167.90 = 5,550.84/x
  3. Step 3: Cross multiply
    10,266.60x = 14,167.90 × 5,550.84
  4. Step 4: Simplify right side
    10,266.60x = 78,643,746.04
  5. Step 5: Solve for x
    x = 78,643,746.04/10,266.60
  6. Step 6: Final answer
    x = 7,660.15

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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.