Home / 11,246.79-16,870.76-2,926.77

Finding the Fourth Proportional to 11,246.79, 16,870.76 and 2,926.77

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Solution

The fourth proportional to 11,246.79, 16,870.76 and 2,926.77 is: 4,390.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,246.79 : 16,870.76 = 2,926.77 : x
  2. Step 2: Convert to fraction form
    11,246.79/16,870.76 = 2,926.77/x
  3. Step 3: Cross multiply
    11,246.79x = 16,870.76 × 2,926.77
  4. Step 4: Simplify right side
    11,246.79x = 49,376,834.25
  5. Step 5: Solve for x
    x = 49,376,834.25/11,246.79
  6. Step 6: Final answer
    x = 4,390.30

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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.