Home / 19,367.75-26,706.12-13,389.03

Finding the Fourth Proportional to 19,367.75, 26,706.12 and 13,389.03

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Solution

The fourth proportional to 19,367.75, 26,706.12 and 13,389.03 is: 18,462.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,367.75 : 26,706.12 = 13,389.03 : x
  2. Step 2: Convert to fraction form
    19,367.75/26,706.12 = 13,389.03/x
  3. Step 3: Cross multiply
    19,367.75x = 26,706.12 × 13,389.03
  4. Step 4: Simplify right side
    19,367.75x = 357,569,123.15
  5. Step 5: Solve for x
    x = 357,569,123.15/19,367.75
  6. Step 6: Final answer
    x = 18,462.09

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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.