Home / 12,937.08-19,410.66-5,146.68

Finding the Fourth Proportional to 12,937.08, 19,410.66 and 5,146.68

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Solution

The fourth proportional to 12,937.08, 19,410.66 and 5,146.68 is: 7,722.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,937.08 : 19,410.66 = 5,146.68 : x
  2. Step 2: Convert to fraction form
    12,937.08/19,410.66 = 5,146.68/x
  3. Step 3: Cross multiply
    12,937.08x = 19,410.66 × 5,146.68
  4. Step 4: Simplify right side
    12,937.08x = 99,900,455.61
  5. Step 5: Solve for x
    x = 99,900,455.61/12,937.08
  6. Step 6: Final answer
    x = 7,722.03

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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.