Home / 14,937.07-20,612.37-8,221.39

Finding the Fourth Proportional to 14,937.07, 20,612.37 and 8,221.39

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Solution

The fourth proportional to 14,937.07, 20,612.37 and 8,221.39 is: 11,345.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,937.07 : 20,612.37 = 8,221.39 : x
  2. Step 2: Convert to fraction form
    14,937.07/20,612.37 = 8,221.39/x
  3. Step 3: Cross multiply
    14,937.07x = 20,612.37 × 8,221.39
  4. Step 4: Simplify right side
    14,937.07x = 169,462,332.59
  5. Step 5: Solve for x
    x = 169,462,332.59/14,937.07
  6. Step 6: Final answer
    x = 11,345.09

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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.