Home / 13,529.45-18,672.40-7,562.36

Finding the Fourth Proportional to 13,529.45, 18,672.40 and 7,562.36

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Solution

The fourth proportional to 13,529.45, 18,672.40 and 7,562.36 is: 10,437.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,529.45 : 18,672.40 = 7,562.36 : x
  2. Step 2: Convert to fraction form
    13,529.45/18,672.40 = 7,562.36/x
  3. Step 3: Cross multiply
    13,529.45x = 18,672.40 × 7,562.36
  4. Step 4: Simplify right side
    13,529.45x = 141,207,410.86
  5. Step 5: Solve for x
    x = 141,207,410.86/13,529.45
  6. Step 6: Final answer
    x = 10,437.04

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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.