Home / 13,212.86-19,822.95-10,770.71

Finding the Fourth Proportional to 13,212.86, 19,822.95 and 10,770.71

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Solution

The fourth proportional to 13,212.86, 19,822.95 and 10,770.71 is: 16,159.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,212.86 : 19,822.95 = 10,770.71 : x
  2. Step 2: Convert to fraction form
    13,212.86/19,822.95 = 10,770.71/x
  3. Step 3: Cross multiply
    13,212.86x = 19,822.95 × 10,770.71
  4. Step 4: Simplify right side
    13,212.86x = 213,507,245.79
  5. Step 5: Solve for x
    x = 213,507,245.79/13,212.86
  6. Step 6: Final answer
    x = 16,159.05

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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.