Home / 13,020.76-19,533.18-4,253.64

Finding the Fourth Proportional to 13,020.76, 19,533.18 and 4,253.64

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Solution

The fourth proportional to 13,020.76, 19,533.18 and 4,253.64 is: 6,381.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,020.76 : 19,533.18 = 4,253.64 : x
  2. Step 2: Convert to fraction form
    13,020.76/19,533.18 = 4,253.64/x
  3. Step 3: Cross multiply
    13,020.76x = 19,533.18 × 4,253.64
  4. Step 4: Simplify right side
    13,020.76x = 83,087,115.78
  5. Step 5: Solve for x
    x = 83,087,115.78/13,020.76
  6. Step 6: Final answer
    x = 6,381.13

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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.