Home / 13,528.61-20,285.11-4,166.10

Finding the Fourth Proportional to 13,528.61, 20,285.11 and 4,166.10

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Solution

The fourth proportional to 13,528.61, 20,285.11 and 4,166.10 is: 6,246.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,528.61 : 20,285.11 = 4,166.10 : x
  2. Step 2: Convert to fraction form
    13,528.61/20,285.11 = 4,166.10/x
  3. Step 3: Cross multiply
    13,528.61x = 20,285.11 × 4,166.10
  4. Step 4: Simplify right side
    13,528.61x = 84,509,796.77
  5. Step 5: Solve for x
    x = 84,509,796.77/13,528.61
  6. Step 6: Final answer
    x = 6,246.75

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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.