Home / 12,406.95-18,611.64-4,510.13

Finding the Fourth Proportional to 12,406.95, 18,611.64 and 4,510.13

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Solution

The fourth proportional to 12,406.95, 18,611.64 and 4,510.13 is: 6,765.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,406.95 : 18,611.64 = 4,510.13 : x
  2. Step 2: Convert to fraction form
    12,406.95/18,611.64 = 4,510.13/x
  3. Step 3: Cross multiply
    12,406.95x = 18,611.64 × 4,510.13
  4. Step 4: Simplify right side
    12,406.95x = 83,940,822.86
  5. Step 5: Solve for x
    x = 83,940,822.86/12,406.95
  6. Step 6: Final answer
    x = 6,765.63

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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.