Home / 13,332.58-18,398.64-7,364.32

Finding the Fourth Proportional to 13,332.58, 18,398.64 and 7,364.32

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Solution

The fourth proportional to 13,332.58, 18,398.64 and 7,364.32 is: 10,162.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,332.58 : 18,398.64 = 7,364.32 : x
  2. Step 2: Convert to fraction form
    13,332.58/18,398.64 = 7,364.32/x
  3. Step 3: Cross multiply
    13,332.58x = 18,398.64 × 7,364.32
  4. Step 4: Simplify right side
    13,332.58x = 135,493,472.52
  5. Step 5: Solve for x
    x = 135,493,472.52/13,332.58
  6. Step 6: Final answer
    x = 10,162.58

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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.