Home / 19,899.31-29,838.69-5,857.51

Finding the Fourth Proportional to 19,899.31, 29,838.69 and 5,857.51

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Solution

The fourth proportional to 19,899.31, 29,838.69 and 5,857.51 is: 8,783.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,899.31 : 29,838.69 = 5,857.51 : x
  2. Step 2: Convert to fraction form
    19,899.31/29,838.69 = 5,857.51/x
  3. Step 3: Cross multiply
    19,899.31x = 29,838.69 × 5,857.51
  4. Step 4: Simplify right side
    19,899.31x = 174,780,425.06
  5. Step 5: Solve for x
    x = 174,780,425.06/19,899.31
  6. Step 6: Final answer
    x = 8,783.24

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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.