Home / 12,870.92-19,306.84-4,437.38

Finding the Fourth Proportional to 12,870.92, 19,306.84 and 4,437.38

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Solution

The fourth proportional to 12,870.92, 19,306.84 and 4,437.38 is: 6,656.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,870.92 : 19,306.84 = 4,437.38 : x
  2. Step 2: Convert to fraction form
    12,870.92/19,306.84 = 4,437.38/x
  3. Step 3: Cross multiply
    12,870.92x = 19,306.84 × 4,437.38
  4. Step 4: Simplify right side
    12,870.92x = 85,671,785.68
  5. Step 5: Solve for x
    x = 85,671,785.68/12,870.92
  6. Step 6: Final answer
    x = 6,656.23

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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.