Home / 13,535.09-20,281.35-10,411.32

Finding the Fourth Proportional to 13,535.09, 20,281.35 and 10,411.32

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Solution

The fourth proportional to 13,535.09, 20,281.35 and 10,411.32 is: 15,600.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,535.09 : 20,281.35 = 10,411.32 : x
  2. Step 2: Convert to fraction form
    13,535.09/20,281.35 = 10,411.32/x
  3. Step 3: Cross multiply
    13,535.09x = 20,281.35 × 10,411.32
  4. Step 4: Simplify right side
    13,535.09x = 211,155,624.88
  5. Step 5: Solve for x
    x = 211,155,624.88/13,535.09
  6. Step 6: Final answer
    x = 15,600.61

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.