Home / 13,270.32-18,313.27-7,605.56

Finding the Fourth Proportional to 13,270.32, 18,313.27 and 7,605.56

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Solution

The fourth proportional to 13,270.32, 18,313.27 and 7,605.56 is: 10,495.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,270.32 : 18,313.27 = 7,605.56 : x
  2. Step 2: Convert to fraction form
    13,270.32/18,313.27 = 7,605.56/x
  3. Step 3: Cross multiply
    13,270.32x = 18,313.27 × 7,605.56
  4. Step 4: Simplify right side
    13,270.32x = 139,282,700.55
  5. Step 5: Solve for x
    x = 139,282,700.55/13,270.32
  6. Step 6: Final answer
    x = 10,495.81

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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.