Home / 14,069.24-21,088.67-9,142.41

Finding the Fourth Proportional to 14,069.24, 21,088.67 and 9,142.41

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Solution

The fourth proportional to 14,069.24, 21,088.67 and 9,142.41 is: 13,703.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,069.24 : 21,088.67 = 9,142.41 : x
  2. Step 2: Convert to fraction form
    14,069.24/21,088.67 = 9,142.41/x
  3. Step 3: Cross multiply
    14,069.24x = 21,088.67 × 9,142.41
  4. Step 4: Simplify right side
    14,069.24x = 192,801,221.78
  5. Step 5: Solve for x
    x = 192,801,221.78/14,069.24
  6. Step 6: Final answer
    x = 13,703.75

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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.