Home / 13,598.43-18,765.81-7,630.65

Finding the Fourth Proportional to 13,598.43, 18,765.81 and 7,630.65

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Solution

The fourth proportional to 13,598.43, 18,765.81 and 7,630.65 is: 10,530.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,598.43 : 18,765.81 = 7,630.65 : x
  2. Step 2: Convert to fraction form
    13,598.43/18,765.81 = 7,630.65/x
  3. Step 3: Cross multiply
    13,598.43x = 18,765.81 × 7,630.65
  4. Step 4: Simplify right side
    13,598.43x = 143,195,328.08
  5. Step 5: Solve for x
    x = 143,195,328.08/13,598.43
  6. Step 6: Final answer
    x = 10,530.29

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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.