Home / 13,087.49-18,076.95-9,496.67

Finding the Fourth Proportional to 13,087.49, 18,076.95 and 9,496.67

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Solution

The fourth proportional to 13,087.49, 18,076.95 and 9,496.67 is: 13,117.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,087.49 : 18,076.95 = 9,496.67 : x
  2. Step 2: Convert to fraction form
    13,087.49/18,076.95 = 9,496.67/x
  3. Step 3: Cross multiply
    13,087.49x = 18,076.95 × 9,496.67
  4. Step 4: Simplify right side
    13,087.49x = 171,670,873.95
  5. Step 5: Solve for x
    x = 171,670,873.95/13,087.49
  6. Step 6: Final answer
    x = 13,117.17

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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.