Home / 14,586.72-20,112.12-10,114.32

Finding the Fourth Proportional to 14,586.72, 20,112.12 and 10,114.32

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Solution

The fourth proportional to 14,586.72, 20,112.12 and 10,114.32 is: 13,945.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,586.72 : 20,112.12 = 10,114.32 : x
  2. Step 2: Convert to fraction form
    14,586.72/20,112.12 = 10,114.32/x
  3. Step 3: Cross multiply
    14,586.72x = 20,112.12 × 10,114.32
  4. Step 4: Simplify right side
    14,586.72x = 203,420,417.56
  5. Step 5: Solve for x
    x = 203,420,417.56/14,586.72
  6. Step 6: Final answer
    x = 13,945.59

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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.