Home / 13,277.34-18,322.85-7,309.13

Finding the Fourth Proportional to 13,277.34, 18,322.85 and 7,309.13

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Solution

The fourth proportional to 13,277.34, 18,322.85 and 7,309.13 is: 10,086.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,277.34 : 18,322.85 = 7,309.13 : x
  2. Step 2: Convert to fraction form
    13,277.34/18,322.85 = 7,309.13/x
  3. Step 3: Cross multiply
    13,277.34x = 18,322.85 × 7,309.13
  4. Step 4: Simplify right side
    13,277.34x = 133,924,019.28
  5. Step 5: Solve for x
    x = 133,924,019.28/13,277.34
  6. Step 6: Final answer
    x = 10,086.66

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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.