Home / 38,274.16-57,389.64-11,971.84

Finding the Fourth Proportional to 38,274.16, 57,389.64 and 11,971.84

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Solution

The fourth proportional to 38,274.16, 57,389.64 and 11,971.84 is: 17,951.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,274.16 : 57,389.64 = 11,971.84 : x
  2. Step 2: Convert to fraction form
    38,274.16/57,389.64 = 11,971.84/x
  3. Step 3: Cross multiply
    38,274.16x = 57,389.64 × 11,971.84
  4. Step 4: Simplify right side
    38,274.16x = 687,059,587.74
  5. Step 5: Solve for x
    x = 687,059,587.74/38,274.16
  6. Step 6: Final answer
    x = 17,951.00

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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.