Home / 15,490.42-23,174.81-11,953.71

Finding the Fourth Proportional to 15,490.42, 23,174.81 and 11,953.71

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Solution

The fourth proportional to 15,490.42, 23,174.81 and 11,953.71 is: 17,883.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,490.42 : 23,174.81 = 11,953.71 : x
  2. Step 2: Convert to fraction form
    15,490.42/23,174.81 = 11,953.71/x
  3. Step 3: Cross multiply
    15,490.42x = 23,174.81 × 11,953.71
  4. Step 4: Simplify right side
    15,490.42x = 277,024,943.10
  5. Step 5: Solve for x
    x = 277,024,943.10/15,490.42
  6. Step 6: Final answer
    x = 17,883.63

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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.