Home / 14,262.93-19,682.04-7,889.16

Finding the Fourth Proportional to 14,262.93, 19,682.04 and 7,889.16

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Solution

The fourth proportional to 14,262.93, 19,682.04 and 7,889.16 is: 10,886.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,262.93 : 19,682.04 = 7,889.16 : x
  2. Step 2: Convert to fraction form
    14,262.93/19,682.04 = 7,889.16/x
  3. Step 3: Cross multiply
    14,262.93x = 19,682.04 × 7,889.16
  4. Step 4: Simplify right side
    14,262.93x = 155,274,664.28
  5. Step 5: Solve for x
    x = 155,274,664.28/14,262.93
  6. Step 6: Final answer
    x = 10,886.59

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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.