Home / 13,359.39-18,435.85-7,984.27

Finding the Fourth Proportional to 13,359.39, 18,435.85 and 7,984.27

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Solution

The fourth proportional to 13,359.39, 18,435.85 and 7,984.27 is: 11,018.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,359.39 : 18,435.85 = 7,984.27 : x
  2. Step 2: Convert to fraction form
    13,359.39/18,435.85 = 7,984.27/x
  3. Step 3: Cross multiply
    13,359.39x = 18,435.85 × 7,984.27
  4. Step 4: Simplify right side
    13,359.39x = 147,196,804.08
  5. Step 5: Solve for x
    x = 147,196,804.08/13,359.39
  6. Step 6: Final answer
    x = 11,018.23

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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.