Home / 14,391.29-19,859.67-8,017.87

Finding the Fourth Proportional to 14,391.29, 19,859.67 and 8,017.87

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Solution

The fourth proportional to 14,391.29, 19,859.67 and 8,017.87 is: 11,064.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,391.29 : 19,859.67 = 8,017.87 : x
  2. Step 2: Convert to fraction form
    14,391.29/19,859.67 = 8,017.87/x
  3. Step 3: Cross multiply
    14,391.29x = 19,859.67 × 8,017.87
  4. Step 4: Simplify right side
    14,391.29x = 159,232,202.65
  5. Step 5: Solve for x
    x = 159,232,202.65/14,391.29
  6. Step 6: Final answer
    x = 11,064.49

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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.