Home / 14,608.77-20,161.52-8,642.36

Finding the Fourth Proportional to 14,608.77, 20,161.52 and 8,642.36

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Solution

The fourth proportional to 14,608.77, 20,161.52 and 8,642.36 is: 11,927.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,608.77 : 20,161.52 = 8,642.36 : x
  2. Step 2: Convert to fraction form
    14,608.77/20,161.52 = 8,642.36/x
  3. Step 3: Cross multiply
    14,608.77x = 20,161.52 × 8,642.36
  4. Step 4: Simplify right side
    14,608.77x = 174,243,113.99
  5. Step 5: Solve for x
    x = 174,243,113.99/14,608.77
  6. Step 6: Final answer
    x = 11,927.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.