Home / 15,771.18-23,663.58-5,909.22

Finding the Fourth Proportional to 15,771.18, 23,663.58 and 5,909.22

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Solution

The fourth proportional to 15,771.18, 23,663.58 and 5,909.22 is: 8,866.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,771.18 : 23,663.58 = 5,909.22 : x
  2. Step 2: Convert to fraction form
    15,771.18/23,663.58 = 5,909.22/x
  3. Step 3: Cross multiply
    15,771.18x = 23,663.58 × 5,909.22
  4. Step 4: Simplify right side
    15,771.18x = 139,833,300.21
  5. Step 5: Solve for x
    x = 139,833,300.21/15,771.18
  6. Step 6: Final answer
    x = 8,866.38

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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.