Home / 13,261.05-18,300.39-7,292.76

Finding the Fourth Proportional to 13,261.05, 18,300.39 and 7,292.76

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Solution

The fourth proportional to 13,261.05, 18,300.39 and 7,292.76 is: 10,064.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,261.05 : 18,300.39 = 7,292.76 : x
  2. Step 2: Convert to fraction form
    13,261.05/18,300.39 = 7,292.76/x
  3. Step 3: Cross multiply
    13,261.05x = 18,300.39 × 7,292.76
  4. Step 4: Simplify right side
    13,261.05x = 133,460,352.18
  5. Step 5: Solve for x
    x = 133,460,352.18/13,261.05
  6. Step 6: Final answer
    x = 10,064.09

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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.