Home / 12,729.15-19,095.02-4,409.15

Finding the Fourth Proportional to 12,729.15, 19,095.02 and 4,409.15

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Solution

The fourth proportional to 12,729.15, 19,095.02 and 4,409.15 is: 6,614.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,729.15 : 19,095.02 = 4,409.15 : x
  2. Step 2: Convert to fraction form
    12,729.15/19,095.02 = 4,409.15/x
  3. Step 3: Cross multiply
    12,729.15x = 19,095.02 × 4,409.15
  4. Step 4: Simplify right side
    12,729.15x = 84,192,807.43
  5. Step 5: Solve for x
    x = 84,192,807.43/12,729.15
  6. Step 6: Final answer
    x = 6,614.17

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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.