Home / 14,506.84-20,019.40-8,219.22

Finding the Fourth Proportional to 14,506.84, 20,019.40 and 8,219.22

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Solution

The fourth proportional to 14,506.84, 20,019.40 and 8,219.22 is: 11,342.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,506.84 : 20,019.40 = 8,219.22 : x
  2. Step 2: Convert to fraction form
    14,506.84/20,019.40 = 8,219.22/x
  3. Step 3: Cross multiply
    14,506.84x = 20,019.40 × 8,219.22
  4. Step 4: Simplify right side
    14,506.84x = 164,543,852.87
  5. Step 5: Solve for x
    x = 164,543,852.87/14,506.84
  6. Step 6: Final answer
    x = 11,342.50

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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.