Home / 14,381.51-21,544.63-8,818.64

Finding the Fourth Proportional to 14,381.51, 21,544.63 and 8,818.64

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Solution

The fourth proportional to 14,381.51, 21,544.63 and 8,818.64 is: 13,211.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,381.51 : 21,544.63 = 8,818.64 : x
  2. Step 2: Convert to fraction form
    14,381.51/21,544.63 = 8,818.64/x
  3. Step 3: Cross multiply
    14,381.51x = 21,544.63 × 8,818.64
  4. Step 4: Simplify right side
    14,381.51x = 189,994,335.90
  5. Step 5: Solve for x
    x = 189,994,335.90/14,381.51
  6. Step 6: Final answer
    x = 13,211.01

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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.