Home / 19,854.64-29,783.63-5,814.10

Finding the Fourth Proportional to 19,854.64, 29,783.63 and 5,814.10

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Solution

The fourth proportional to 19,854.64, 29,783.63 and 5,814.10 is: 8,721.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,854.64 : 29,783.63 = 5,814.10 : x
  2. Step 2: Convert to fraction form
    19,854.64/29,783.63 = 5,814.10/x
  3. Step 3: Cross multiply
    19,854.64x = 29,783.63 × 5,814.10
  4. Step 4: Simplify right side
    19,854.64x = 173,165,003.18
  5. Step 5: Solve for x
    x = 173,165,003.18/19,854.64
  6. Step 6: Final answer
    x = 8,721.64

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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.