Home / 13,534.19-20,300.83-4,768.88

Finding the Fourth Proportional to 13,534.19, 20,300.83 and 4,768.88

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Solution

The fourth proportional to 13,534.19, 20,300.83 and 4,768.88 is: 7,153.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,534.19 : 20,300.83 = 4,768.88 : x
  2. Step 2: Convert to fraction form
    13,534.19/20,300.83 = 4,768.88/x
  3. Step 3: Cross multiply
    13,534.19x = 20,300.83 × 4,768.88
  4. Step 4: Simplify right side
    13,534.19x = 96,812,108.74
  5. Step 5: Solve for x
    x = 96,812,108.74/13,534.19
  6. Step 6: Final answer
    x = 7,153.15

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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.