Home / 13,356.93-20,035.17-5,457.71

Finding the Fourth Proportional to 13,356.93, 20,035.17 and 5,457.71

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Solution

The fourth proportional to 13,356.93, 20,035.17 and 5,457.71 is: 8,186.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,356.93 : 20,035.17 = 5,457.71 : x
  2. Step 2: Convert to fraction form
    13,356.93/20,035.17 = 5,457.71/x
  3. Step 3: Cross multiply
    13,356.93x = 20,035.17 × 5,457.71
  4. Step 4: Simplify right side
    13,356.93x = 109,346,147.66
  5. Step 5: Solve for x
    x = 109,346,147.66/13,356.93
  6. Step 6: Final answer
    x = 8,186.47

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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.