Home / 13,503.56-20,262.90-5,718.20

Finding the Fourth Proportional to 13,503.56, 20,262.90 and 5,718.20

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Solution

The fourth proportional to 13,503.56, 20,262.90 and 5,718.20 is: 8,580.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,503.56 : 20,262.90 = 5,718.20 : x
  2. Step 2: Convert to fraction form
    13,503.56/20,262.90 = 5,718.20/x
  3. Step 3: Cross multiply
    13,503.56x = 20,262.90 × 5,718.20
  4. Step 4: Simplify right side
    13,503.56x = 115,867,314.78
  5. Step 5: Solve for x
    x = 115,867,314.78/13,503.56
  6. Step 6: Final answer
    x = 8,580.50

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1.5x scale

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.