Home / 12,606.76-18,899.16-5,206.60

Finding the Fourth Proportional to 12,606.76, 18,899.16 and 5,206.60

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Solution

The fourth proportional to 12,606.76, 18,899.16 and 5,206.60 is: 7,805.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,606.76 : 18,899.16 = 5,206.60 : x
  2. Step 2: Convert to fraction form
    12,606.76/18,899.16 = 5,206.60/x
  3. Step 3: Cross multiply
    12,606.76x = 18,899.16 × 5,206.60
  4. Step 4: Simplify right side
    12,606.76x = 98,400,366.46
  5. Step 5: Solve for x
    x = 98,400,366.46/12,606.76
  6. Step 6: Final answer
    x = 7,805.37

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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.