Home / 13,294.43-18,346.73-7,630.20

Finding the Fourth Proportional to 13,294.43, 18,346.73 and 7,630.20

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Solution

The fourth proportional to 13,294.43, 18,346.73 and 7,630.20 is: 10,529.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,294.43 : 18,346.73 = 7,630.20 : x
  2. Step 2: Convert to fraction form
    13,294.43/18,346.73 = 7,630.20/x
  3. Step 3: Cross multiply
    13,294.43x = 18,346.73 × 7,630.20
  4. Step 4: Simplify right side
    13,294.43x = 139,989,202.55
  5. Step 5: Solve for x
    x = 139,989,202.55/13,294.43
  6. Step 6: Final answer
    x = 10,529.91

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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.