Home / 12,426.26-18,639.59-6,570.77

Finding the Fourth Proportional to 12,426.26, 18,639.59 and 6,570.77

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Solution

The fourth proportional to 12,426.26, 18,639.59 and 6,570.77 is: 9,856.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,426.26 : 18,639.59 = 6,570.77 : x
  2. Step 2: Convert to fraction form
    12,426.26/18,639.59 = 6,570.77/x
  3. Step 3: Cross multiply
    12,426.26x = 18,639.59 × 6,570.77
  4. Step 4: Simplify right side
    12,426.26x = 122,476,332.73
  5. Step 5: Solve for x
    x = 122,476,332.73/12,426.26
  6. Step 6: Final answer
    x = 9,856.25

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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.