Home / 19,516.64-29,276.58-6,368.72

Finding the Fourth Proportional to 19,516.64, 29,276.58 and 6,368.72

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Solution

The fourth proportional to 19,516.64, 29,276.58 and 6,368.72 is: 9,553.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,516.64 : 29,276.58 = 6,368.72 : x
  2. Step 2: Convert to fraction form
    19,516.64/29,276.58 = 6,368.72/x
  3. Step 3: Cross multiply
    19,516.64x = 29,276.58 × 6,368.72
  4. Step 4: Simplify right side
    19,516.64x = 186,454,340.58
  5. Step 5: Solve for x
    x = 186,454,340.58/19,516.64
  6. Step 6: Final answer
    x = 9,553.61

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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.