Home / 15,490.17-23,218.65-11,783.21

Finding the Fourth Proportional to 15,490.17, 23,218.65 and 11,783.21

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Solution

The fourth proportional to 15,490.17, 23,218.65 and 11,783.21 is: 17,662.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,490.17 : 23,218.65 = 11,783.21 : x
  2. Step 2: Convert to fraction form
    15,490.17/23,218.65 = 11,783.21/x
  3. Step 3: Cross multiply
    15,490.17x = 23,218.65 × 11,783.21
  4. Step 4: Simplify right side
    15,490.17x = 273,590,112.77
  5. Step 5: Solve for x
    x = 273,590,112.77/15,490.17
  6. Step 6: Final answer
    x = 17,662.18

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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.