Home / 14,051.65-21,083.61-8,208.28

Finding the Fourth Proportional to 14,051.65, 21,083.61 and 8,208.28

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Solution

The fourth proportional to 14,051.65, 21,083.61 and 8,208.28 is: 12,316.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,051.65 : 21,083.61 = 8,208.28 : x
  2. Step 2: Convert to fraction form
    14,051.65/21,083.61 = 8,208.28/x
  3. Step 3: Cross multiply
    14,051.65x = 21,083.61 × 8,208.28
  4. Step 4: Simplify right side
    14,051.65x = 173,060,174.29
  5. Step 5: Solve for x
    x = 173,060,174.29/14,051.65
  6. Step 6: Final answer
    x = 12,316.00

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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.