Home / 13,356.29-20,035.77-4,590.05

Finding the Fourth Proportional to 13,356.29, 20,035.77 and 4,590.05

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Solution

The fourth proportional to 13,356.29, 20,035.77 and 4,590.05 is: 6,885.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,356.29 : 20,035.77 = 4,590.05 : x
  2. Step 2: Convert to fraction form
    13,356.29/20,035.77 = 4,590.05/x
  3. Step 3: Cross multiply
    13,356.29x = 20,035.77 × 4,590.05
  4. Step 4: Simplify right side
    13,356.29x = 91,965,186.09
  5. Step 5: Solve for x
    x = 91,965,186.09/13,356.29
  6. Step 6: Final answer
    x = 6,885.53

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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.