Home / 13,277.49-18,322.93-7,309.13

Finding the Fourth Proportional to 13,277.49, 18,322.93 and 7,309.13

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Solution

The fourth proportional to 13,277.49, 18,322.93 and 7,309.13 is: 10,086.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,277.49 : 18,322.93 = 7,309.13 : x
  2. Step 2: Convert to fraction form
    13,277.49/18,322.93 = 7,309.13/x
  3. Step 3: Cross multiply
    13,277.49x = 18,322.93 × 7,309.13
  4. Step 4: Simplify right side
    13,277.49x = 133,924,677.35
  5. Step 5: Solve for x
    x = 133,924,677.35/13,277.49
  6. Step 6: Final answer
    x = 10,086.60

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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.