Home / 13,285.64-18,314.14-10,923.68

Finding the Fourth Proportional to 13,285.64, 18,314.14 and 10,923.68

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Solution

The fourth proportional to 13,285.64, 18,314.14 and 10,923.68 is: 15,058.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,285.64 : 18,314.14 = 10,923.68 : x
  2. Step 2: Convert to fraction form
    13,285.64/18,314.14 = 10,923.68/x
  3. Step 3: Cross multiply
    13,285.64x = 18,314.14 × 10,923.68
  4. Step 4: Simplify right side
    13,285.64x = 200,057,804.84
  5. Step 5: Solve for x
    x = 200,057,804.84/13,285.64
  6. Step 6: Final answer
    x = 15,058.20

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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.