Home / 14,391.16-19,859.50-8,017.75

Finding the Fourth Proportional to 14,391.16, 19,859.50 and 8,017.75

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Solution

The fourth proportional to 14,391.16, 19,859.50 and 8,017.75 is: 11,064.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,391.16 : 19,859.50 = 8,017.75 : x
  2. Step 2: Convert to fraction form
    14,391.16/19,859.50 = 8,017.75/x
  3. Step 3: Cross multiply
    14,391.16x = 19,859.50 × 8,017.75
  4. Step 4: Simplify right side
    14,391.16x = 159,228,406.83
  5. Step 5: Solve for x
    x = 159,228,406.83/14,391.16
  6. Step 6: Final answer
    x = 11,064.32

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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.