Home / 15,121.32-22,673.82-11,602.62

Finding the Fourth Proportional to 15,121.32, 22,673.82 and 11,602.62

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Solution

The fourth proportional to 15,121.32, 22,673.82 and 11,602.62 is: 17,397.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,121.32 : 22,673.82 = 11,602.62 : x
  2. Step 2: Convert to fraction form
    15,121.32/22,673.82 = 11,602.62/x
  3. Step 3: Cross multiply
    15,121.32x = 22,673.82 × 11,602.62
  4. Step 4: Simplify right side
    15,121.32x = 263,075,717.41
  5. Step 5: Solve for x
    x = 263,075,717.41/15,121.32
  6. Step 6: Final answer
    x = 17,397.67

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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.