Home / 15,400.58-23,139.79-14,777.80

Finding the Fourth Proportional to 15,400.58, 23,139.79 and 14,777.80

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Solution

The fourth proportional to 15,400.58, 23,139.79 and 14,777.80 is: 22,204.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,400.58 : 23,139.79 = 14,777.80 : x
  2. Step 2: Convert to fraction form
    15,400.58/23,139.79 = 14,777.80/x
  3. Step 3: Cross multiply
    15,400.58x = 23,139.79 × 14,777.80
  4. Step 4: Simplify right side
    15,400.58x = 341,955,188.66
  5. Step 5: Solve for x
    x = 341,955,188.66/15,400.58
  6. Step 6: Final answer
    x = 22,204.05

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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.