Home / 13,312.00-18,372.32-8,532.74

Finding the Fourth Proportional to 13,312.00, 18,372.32 and 8,532.74

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Solution

The fourth proportional to 13,312.00, 18,372.32 and 8,532.74 is: 11,776.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,312.00 : 18,372.32 = 8,532.74 : x
  2. Step 2: Convert to fraction form
    13,312.00/18,372.32 = 8,532.74/x
  3. Step 3: Cross multiply
    13,312.00x = 18,372.32 × 8,532.74
  4. Step 4: Simplify right side
    13,312.00x = 156,766,265.02
  5. Step 5: Solve for x
    x = 156,766,265.02/13,312.00
  6. Step 6: Final answer
    x = 11,776.32

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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.