Home / 14,389.56-21,584.34-13,577.40

Finding the Fourth Proportional to 14,389.56, 21,584.34 and 13,577.40

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Solution

The fourth proportional to 14,389.56, 21,584.34 and 13,577.40 is: 20,366.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,389.56 : 21,584.34 = 13,577.40 : x
  2. Step 2: Convert to fraction form
    14,389.56/21,584.34 = 13,577.40/x
  3. Step 3: Cross multiply
    14,389.56x = 21,584.34 × 13,577.40
  4. Step 4: Simplify right side
    14,389.56x = 293,059,217.92
  5. Step 5: Solve for x
    x = 293,059,217.92/14,389.56
  6. Step 6: Final answer
    x = 20,366.10

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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.