Home / 12,937.08-19,400.10-4,619.22

Finding the Fourth Proportional to 12,937.08, 19,400.10 and 4,619.22

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Solution

The fourth proportional to 12,937.08, 19,400.10 and 4,619.22 is: 6,926.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,937.08 : 19,400.10 = 4,619.22 : x
  2. Step 2: Convert to fraction form
    12,937.08/19,400.10 = 4,619.22/x
  3. Step 3: Cross multiply
    12,937.08x = 19,400.10 × 4,619.22
  4. Step 4: Simplify right side
    12,937.08x = 89,613,329.92
  5. Step 5: Solve for x
    x = 89,613,329.92/12,937.08
  6. Step 6: Final answer
    x = 6,926.86

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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.