Home / 18,335.36-27,516.87-13,417.70

Finding the Fourth Proportional to 18,335.36, 27,516.87 and 13,417.70

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Solution

The fourth proportional to 18,335.36, 27,516.87 and 13,417.70 is: 20,136.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,335.36 : 27,516.87 = 13,417.70 : x
  2. Step 2: Convert to fraction form
    18,335.36/27,516.87 = 13,417.70/x
  3. Step 3: Cross multiply
    18,335.36x = 27,516.87 × 13,417.70
  4. Step 4: Simplify right side
    18,335.36x = 369,213,106.60
  5. Step 5: Solve for x
    x = 369,213,106.60/18,335.36
  6. Step 6: Final answer
    x = 20,136.67

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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.