Home / 13,252.58-18,289.72-7,285.40

Finding the Fourth Proportional to 13,252.58, 18,289.72 and 7,285.40

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Solution

The fourth proportional to 13,252.58, 18,289.72 and 7,285.40 is: 10,054.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,252.58 : 18,289.72 = 7,285.40 : x
  2. Step 2: Convert to fraction form
    13,252.58/18,289.72 = 7,285.40/x
  3. Step 3: Cross multiply
    13,252.58x = 18,289.72 × 7,285.40
  4. Step 4: Simplify right side
    13,252.58x = 133,247,926.09
  5. Step 5: Solve for x
    x = 133,247,926.09/13,252.58
  6. Step 6: Final answer
    x = 10,054.49

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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.