Home / 14,262.86-19,683.80-8,214.15

Finding the Fourth Proportional to 14,262.86, 19,683.80 and 8,214.15

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Solution

The fourth proportional to 14,262.86, 19,683.80 and 8,214.15 is: 11,336.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,262.86 : 19,683.80 = 8,214.15 : x
  2. Step 2: Convert to fraction form
    14,262.86/19,683.80 = 8,214.15/x
  3. Step 3: Cross multiply
    14,262.86x = 19,683.80 × 8,214.15
  4. Step 4: Simplify right side
    14,262.86x = 161,685,685.77
  5. Step 5: Solve for x
    x = 161,685,685.77/14,262.86
  6. Step 6: Final answer
    x = 11,336.13

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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.