Home / 14,610.80-20,141.16-10,355.60

Finding the Fourth Proportional to 14,610.80, 20,141.16 and 10,355.60

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Solution

The fourth proportional to 14,610.80, 20,141.16 and 10,355.60 is: 14,275.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,610.80 : 20,141.16 = 10,355.60 : x
  2. Step 2: Convert to fraction form
    14,610.80/20,141.16 = 10,355.60/x
  3. Step 3: Cross multiply
    14,610.80x = 20,141.16 × 10,355.60
  4. Step 4: Simplify right side
    14,610.80x = 208,573,796.50
  5. Step 5: Solve for x
    x = 208,573,796.50/14,610.80
  6. Step 6: Final answer
    x = 14,275.32

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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.