Home / 18,322.37-25,285.01-9,938.93

Finding the Fourth Proportional to 18,322.37, 25,285.01 and 9,938.93

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Solution

The fourth proportional to 18,322.37, 25,285.01 and 9,938.93 is: 13,715.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,322.37 : 25,285.01 = 9,938.93 : x
  2. Step 2: Convert to fraction form
    18,322.37/25,285.01 = 9,938.93/x
  3. Step 3: Cross multiply
    18,322.37x = 25,285.01 × 9,938.93
  4. Step 4: Simplify right side
    18,322.37x = 251,305,894.74
  5. Step 5: Solve for x
    x = 251,305,894.74/18,322.37
  6. Step 6: Final answer
    x = 13,715.80

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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.