Home / 18,116.06-24,988.65-13,087.67

Finding the Fourth Proportional to 18,116.06, 24,988.65 and 13,087.67

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Solution

The fourth proportional to 18,116.06, 24,988.65 and 13,087.67 is: 18,052.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,116.06 : 24,988.65 = 13,087.67 : x
  2. Step 2: Convert to fraction form
    18,116.06/24,988.65 = 13,087.67/x
  3. Step 3: Cross multiply
    18,116.06x = 24,988.65 × 13,087.67
  4. Step 4: Simplify right side
    18,116.06x = 327,043,204.95
  5. Step 5: Solve for x
    x = 327,043,204.95/18,116.06
  6. Step 6: Final answer
    x = 18,052.67

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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.