Home / 14,221.90-19,623.01-8,555.14

Finding the Fourth Proportional to 14,221.90, 19,623.01 and 8,555.14

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Solution

The fourth proportional to 14,221.90, 19,623.01 and 8,555.14 is: 11,804.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,221.90 : 19,623.01 = 8,555.14 : x
  2. Step 2: Convert to fraction form
    14,221.90/19,623.01 = 8,555.14/x
  3. Step 3: Cross multiply
    14,221.90x = 19,623.01 × 8,555.14
  4. Step 4: Simplify right side
    14,221.90x = 167,877,597.77
  5. Step 5: Solve for x
    x = 167,877,597.77/14,221.90
  6. Step 6: Final answer
    x = 11,804.16

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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.