Home / 12,875.11-19,312.67-4,550.56

Finding the Fourth Proportional to 12,875.11, 19,312.67 and 4,550.56

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Solution

The fourth proportional to 12,875.11, 19,312.67 and 4,550.56 is: 6,825.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,875.11 : 19,312.67 = 4,550.56 : x
  2. Step 2: Convert to fraction form
    12,875.11/19,312.67 = 4,550.56/x
  3. Step 3: Cross multiply
    12,875.11x = 19,312.67 × 4,550.56
  4. Step 4: Simplify right side
    12,875.11x = 87,883,463.60
  5. Step 5: Solve for x
    x = 87,883,463.60/12,875.11
  6. Step 6: Final answer
    x = 6,825.84

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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.