Home / 14,219.07-21,301.25-7,960.16

Finding the Fourth Proportional to 14,219.07, 21,301.25 and 7,960.16

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Solution

The fourth proportional to 14,219.07, 21,301.25 and 7,960.16 is: 11,924.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,219.07 : 21,301.25 = 7,960.16 : x
  2. Step 2: Convert to fraction form
    14,219.07/21,301.25 = 7,960.16/x
  3. Step 3: Cross multiply
    14,219.07x = 21,301.25 × 7,960.16
  4. Step 4: Simplify right side
    14,219.07x = 169,561,211.89
  5. Step 5: Solve for x
    x = 169,561,211.89/14,219.07
  6. Step 6: Final answer
    x = 11,924.92

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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.