Home / 12,899.25-19,350.60-5,106.24

Finding the Fourth Proportional to 12,899.25, 19,350.60 and 5,106.24

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Solution

The fourth proportional to 12,899.25, 19,350.60 and 5,106.24 is: 7,660.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,899.25 : 19,350.60 = 5,106.24 : x
  2. Step 2: Convert to fraction form
    12,899.25/19,350.60 = 5,106.24/x
  3. Step 3: Cross multiply
    12,899.25x = 19,350.60 × 5,106.24
  4. Step 4: Simplify right side
    12,899.25x = 98,808,807.74
  5. Step 5: Solve for x
    x = 98,808,807.74/12,899.25
  6. Step 6: Final answer
    x = 7,660.04

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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.