Home / 8,686.24-13,007.12-4,786.32

Finding the Fourth Proportional to 8,686.24, 13,007.12 and 4,786.32

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Solution

The fourth proportional to 8,686.24, 13,007.12 and 4,786.32 is: 7,167.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,686.24 : 13,007.12 = 4,786.32 : x
  2. Step 2: Convert to fraction form
    8,686.24/13,007.12 = 4,786.32/x
  3. Step 3: Cross multiply
    8,686.24x = 13,007.12 × 4,786.32
  4. Step 4: Simplify right side
    8,686.24x = 62,256,238.60
  5. Step 5: Solve for x
    x = 62,256,238.60/8,686.24
  6. Step 6: Final answer
    x = 7,167.23

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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.