Home / 10,164.10-14,024.58-5,687.90

Finding the Fourth Proportional to 10,164.10, 14,024.58 and 5,687.90

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Solution

The fourth proportional to 10,164.10, 14,024.58 and 5,687.90 is: 7,848.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,164.10 : 14,024.58 = 5,687.90 : x
  2. Step 2: Convert to fraction form
    10,164.10/14,024.58 = 5,687.90/x
  3. Step 3: Cross multiply
    10,164.10x = 14,024.58 × 5,687.90
  4. Step 4: Simplify right side
    10,164.10x = 79,770,408.58
  5. Step 5: Solve for x
    x = 79,770,408.58/10,164.10
  6. Step 6: Final answer
    x = 7,848.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.