Home / 14,159.86-21,242.34-11,550.50

Finding the Fourth Proportional to 14,159.86, 21,242.34 and 11,550.50

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Solution

The fourth proportional to 14,159.86, 21,242.34 and 11,550.50 is: 17,327.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,159.86 : 21,242.34 = 11,550.50 : x
  2. Step 2: Convert to fraction form
    14,159.86/21,242.34 = 11,550.50/x
  3. Step 3: Cross multiply
    14,159.86x = 21,242.34 × 11,550.50
  4. Step 4: Simplify right side
    14,159.86x = 245,359,648.17
  5. Step 5: Solve for x
    x = 245,359,648.17/14,159.86
  6. Step 6: Final answer
    x = 17,327.83

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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.