Home / 10,159.31-15,238.97-6,671.35

Finding the Fourth Proportional to 10,159.31, 15,238.97 and 6,671.35

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Solution

The fourth proportional to 10,159.31, 15,238.97 and 6,671.35 is: 10,007.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,159.31 : 15,238.97 = 6,671.35 : x
  2. Step 2: Convert to fraction form
    10,159.31/15,238.97 = 6,671.35/x
  3. Step 3: Cross multiply
    10,159.31x = 15,238.97 × 6,671.35
  4. Step 4: Simplify right side
    10,159.31x = 101,664,502.51
  5. Step 5: Solve for x
    x = 101,664,502.51/10,159.31
  6. Step 6: Final answer
    x = 10,007.03

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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.