Home / 14,239.01-21,360.56-4,379.12

Finding the Fourth Proportional to 14,239.01, 21,360.56 and 4,379.12

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Solution

The fourth proportional to 14,239.01, 21,360.56 and 4,379.12 is: 6,569.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,239.01 : 21,360.56 = 4,379.12 : x
  2. Step 2: Convert to fraction form
    14,239.01/21,360.56 = 4,379.12/x
  3. Step 3: Cross multiply
    14,239.01x = 21,360.56 × 4,379.12
  4. Step 4: Simplify right side
    14,239.01x = 93,540,326.81
  5. Step 5: Solve for x
    x = 93,540,326.81/14,239.01
  6. Step 6: Final answer
    x = 6,569.30

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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.