Home / 13,528.17-20,285.55-4,165.92

Finding the Fourth Proportional to 13,528.17, 20,285.55 and 4,165.92

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Solution

The fourth proportional to 13,528.17, 20,285.55 and 4,165.92 is: 6,246.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,528.17 : 20,285.55 = 4,165.92 : x
  2. Step 2: Convert to fraction form
    13,528.17/20,285.55 = 4,165.92/x
  3. Step 3: Cross multiply
    13,528.17x = 20,285.55 × 4,165.92
  4. Step 4: Simplify right side
    13,528.17x = 84,507,978.46
  5. Step 5: Solve for x
    x = 84,507,978.46/13,528.17
  6. Step 6: Final answer
    x = 6,246.82

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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.