Home / 14,088.16-21,118.60-7,842.48

Finding the Fourth Proportional to 14,088.16, 21,118.60 and 7,842.48

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Solution

The fourth proportional to 14,088.16, 21,118.60 and 7,842.48 is: 11,756.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,088.16 : 21,118.60 = 7,842.48 : x
  2. Step 2: Convert to fraction form
    14,088.16/21,118.60 = 7,842.48/x
  3. Step 3: Cross multiply
    14,088.16x = 21,118.60 × 7,842.48
  4. Step 4: Simplify right side
    14,088.16x = 165,622,198.13
  5. Step 5: Solve for x
    x = 165,622,198.13/14,088.16
  6. Step 6: Final answer
    x = 11,756.13

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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.