Home / 14,025.86-21,053.96-12,475.79

Finding the Fourth Proportional to 14,025.86, 21,053.96 and 12,475.79

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Solution

The fourth proportional to 14,025.86, 21,053.96 and 12,475.79 is: 18,727.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,025.86 : 21,053.96 = 12,475.79 : x
  2. Step 2: Convert to fraction form
    14,025.86/21,053.96 = 12,475.79/x
  3. Step 3: Cross multiply
    14,025.86x = 21,053.96 × 12,475.79
  4. Step 4: Simplify right side
    14,025.86x = 262,664,783.63
  5. Step 5: Solve for x
    x = 262,664,783.63/14,025.86
  6. Step 6: Final answer
    x = 18,727.18

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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.