Home / 12,875.19-19,314.83-4,108.05

Finding the Fourth Proportional to 12,875.19, 19,314.83 and 4,108.05

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Solution

The fourth proportional to 12,875.19, 19,314.83 and 4,108.05 is: 6,162.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,875.19 : 19,314.83 = 4,108.05 : x
  2. Step 2: Convert to fraction form
    12,875.19/19,314.83 = 4,108.05/x
  3. Step 3: Cross multiply
    12,875.19x = 19,314.83 × 4,108.05
  4. Step 4: Simplify right side
    12,875.19x = 79,346,266.84
  5. Step 5: Solve for x
    x = 79,346,266.84/12,875.19
  6. Step 6: Final answer
    x = 6,162.73

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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.