Home / 15,771.36-23,656.11-5,909.81

Finding the Fourth Proportional to 15,771.36, 23,656.11 and 5,909.81

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Solution

The fourth proportional to 15,771.36, 23,656.11 and 5,909.81 is: 8,864.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,771.36 : 23,656.11 = 5,909.81 : x
  2. Step 2: Convert to fraction form
    15,771.36/23,656.11 = 5,909.81/x
  3. Step 3: Cross multiply
    15,771.36x = 23,656.11 × 5,909.81
  4. Step 4: Simplify right side
    15,771.36x = 139,803,115.44
  5. Step 5: Solve for x
    x = 139,803,115.44/15,771.36
  6. Step 6: Final answer
    x = 8,864.37

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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.