Home / 13,981.33-19,291.06-10,206.55

Finding the Fourth Proportional to 13,981.33, 19,291.06 and 10,206.55

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Solution

The fourth proportional to 13,981.33, 19,291.06 and 10,206.55 is: 14,082.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,981.33 : 19,291.06 = 10,206.55 : x
  2. Step 2: Convert to fraction form
    13,981.33/19,291.06 = 10,206.55/x
  3. Step 3: Cross multiply
    13,981.33x = 19,291.06 × 10,206.55
  4. Step 4: Simplify right side
    13,981.33x = 196,895,168.44
  5. Step 5: Solve for x
    x = 196,895,168.44/13,981.33
  6. Step 6: Final answer
    x = 14,082.72

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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.