Home / 14,710.98-20,284.66-13,777.86

Finding the Fourth Proportional to 14,710.98, 20,284.66 and 13,777.86

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Solution

The fourth proportional to 14,710.98, 20,284.66 and 13,777.86 is: 18,998.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,710.98 : 20,284.66 = 13,777.86 : x
  2. Step 2: Convert to fraction form
    14,710.98/20,284.66 = 13,777.86/x
  3. Step 3: Cross multiply
    14,710.98x = 20,284.66 × 13,777.86
  4. Step 4: Simplify right side
    14,710.98x = 279,479,205.63
  5. Step 5: Solve for x
    x = 279,479,205.63/14,710.98
  6. Step 6: Final answer
    x = 18,998.00

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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.