Home / 14,252.13-21,381.03-4,390.99

Finding the Fourth Proportional to 14,252.13, 21,381.03 and 4,390.99

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Solution

The fourth proportional to 14,252.13, 21,381.03 and 4,390.99 is: 6,587.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,252.13 : 21,381.03 = 4,390.99 : x
  2. Step 2: Convert to fraction form
    14,252.13/21,381.03 = 4,390.99/x
  3. Step 3: Cross multiply
    14,252.13x = 21,381.03 × 4,390.99
  4. Step 4: Simplify right side
    14,252.13x = 93,883,760.06
  5. Step 5: Solve for x
    x = 93,883,760.06/14,252.13
  6. Step 6: Final answer
    x = 6,587.35

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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.