Home / 22,807.81-34,183.77-12,955.38

Finding the Fourth Proportional to 22,807.81, 34,183.77 and 12,955.38

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Solution

The fourth proportional to 22,807.81, 34,183.77 and 12,955.38 is: 19,417.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,807.81 : 34,183.77 = 12,955.38 : x
  2. Step 2: Convert to fraction form
    22,807.81/34,183.77 = 12,955.38/x
  3. Step 3: Cross multiply
    22,807.81x = 34,183.77 × 12,955.38
  4. Step 4: Simplify right side
    22,807.81x = 442,863,730.18
  5. Step 5: Solve for x
    x = 442,863,730.18/22,807.81
  6. Step 6: Final answer
    x = 19,417.20

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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.