Home / 12,669.98-19,007.13-3,904.70

Finding the Fourth Proportional to 12,669.98, 19,007.13 and 3,904.70

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Solution

The fourth proportional to 12,669.98, 19,007.13 and 3,904.70 is: 5,857.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,669.98 : 19,007.13 = 3,904.70 : x
  2. Step 2: Convert to fraction form
    12,669.98/19,007.13 = 3,904.70/x
  3. Step 3: Cross multiply
    12,669.98x = 19,007.13 × 3,904.70
  4. Step 4: Simplify right side
    12,669.98x = 74,217,140.51
  5. Step 5: Solve for x
    x = 74,217,140.51/12,669.98
  6. Step 6: Final answer
    x = 5,857.72

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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.