Home / 10,866.60-16,296.70-4,290.60

Finding the Fourth Proportional to 10,866.60, 16,296.70 and 4,290.60

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Solution

The fourth proportional to 10,866.60, 16,296.70 and 4,290.60 is: 6,434.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,866.60 : 16,296.70 = 4,290.60 : x
  2. Step 2: Convert to fraction form
    10,866.60/16,296.70 = 4,290.60/x
  3. Step 3: Cross multiply
    10,866.60x = 16,296.70 × 4,290.60
  4. Step 4: Simplify right side
    10,866.60x = 69,922,621.02
  5. Step 5: Solve for x
    x = 69,922,621.02/10,866.60
  6. Step 6: Final answer
    x = 6,434.64

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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.