Home / 13,738.19-20,592.14-8,988.64

Finding the Fourth Proportional to 13,738.19, 20,592.14 and 8,988.64

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Solution

The fourth proportional to 13,738.19, 20,592.14 and 8,988.64 is: 13,473.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,738.19 : 20,592.14 = 8,988.64 : x
  2. Step 2: Convert to fraction form
    13,738.19/20,592.14 = 8,988.64/x
  3. Step 3: Cross multiply
    13,738.19x = 20,592.14 × 8,988.64
  4. Step 4: Simplify right side
    13,738.19x = 185,095,333.29
  5. Step 5: Solve for x
    x = 185,095,333.29/13,738.19
  6. Step 6: Final answer
    x = 13,473.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.