Home / 16,611.45-22,918.05-10,646.41

Finding the Fourth Proportional to 16,611.45, 22,918.05 and 10,646.41

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Solution

The fourth proportional to 16,611.45, 22,918.05 and 10,646.41 is: 14,688.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,611.45 : 22,918.05 = 10,646.41 : x
  2. Step 2: Convert to fraction form
    16,611.45/22,918.05 = 10,646.41/x
  3. Step 3: Cross multiply
    16,611.45x = 22,918.05 × 10,646.41
  4. Step 4: Simplify right side
    16,611.45x = 243,994,956.70
  5. Step 5: Solve for x
    x = 243,994,956.70/16,611.45
  6. Step 6: Final answer
    x = 14,688.36

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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.