Home / 13,455.17-20,182.53-6,054.39

Finding the Fourth Proportional to 13,455.17, 20,182.53 and 6,054.39

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Solution

The fourth proportional to 13,455.17, 20,182.53 and 6,054.39 is: 9,081.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,455.17 : 20,182.53 = 6,054.39 : x
  2. Step 2: Convert to fraction form
    13,455.17/20,182.53 = 6,054.39/x
  3. Step 3: Cross multiply
    13,455.17x = 20,182.53 × 6,054.39
  4. Step 4: Simplify right side
    13,455.17x = 122,192,907.81
  5. Step 5: Solve for x
    x = 122,192,907.81/13,455.17
  6. Step 6: Final answer
    x = 9,081.48

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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.