Home / 13,532.58-20,288.58-9,361.50

Finding the Fourth Proportional to 13,532.58, 20,288.58 and 9,361.50

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Solution

The fourth proportional to 13,532.58, 20,288.58 and 9,361.50 is: 14,035.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,532.58 : 20,288.58 = 9,361.50 : x
  2. Step 2: Convert to fraction form
    13,532.58/20,288.58 = 9,361.50/x
  3. Step 3: Cross multiply
    13,532.58x = 20,288.58 × 9,361.50
  4. Step 4: Simplify right side
    13,532.58x = 189,931,541.67
  5. Step 5: Solve for x
    x = 189,931,541.67/13,532.58
  6. Step 6: Final answer
    x = 14,035.13

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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.