Home / 14,111.42-21,162.80-9,756.86

Finding the Fourth Proportional to 14,111.42, 21,162.80 and 9,756.86

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Solution

The fourth proportional to 14,111.42, 21,162.80 and 9,756.86 is: 14,632.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,111.42 : 21,162.80 = 9,756.86 : x
  2. Step 2: Convert to fraction form
    14,111.42/21,162.80 = 9,756.86/x
  3. Step 3: Cross multiply
    14,111.42x = 21,162.80 × 9,756.86
  4. Step 4: Simplify right side
    14,111.42x = 206,482,395.39
  5. Step 5: Solve for x
    x = 206,482,395.39/14,111.42
  6. Step 6: Final answer
    x = 14,632.30

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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.