Home / 12,417.24-18,628.38-4,625.40

Finding the Fourth Proportional to 12,417.24, 18,628.38 and 4,625.40

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Solution

The fourth proportional to 12,417.24, 18,628.38 and 4,625.40 is: 6,939.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,417.24 : 18,628.38 = 4,625.40 : x
  2. Step 2: Convert to fraction form
    12,417.24/18,628.38 = 4,625.40/x
  3. Step 3: Cross multiply
    12,417.24x = 18,628.38 × 4,625.40
  4. Step 4: Simplify right side
    12,417.24x = 86,163,708.85
  5. Step 5: Solve for x
    x = 86,163,708.85/12,417.24
  6. Step 6: Final answer
    x = 6,939.04

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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.