Home / 13,931.87-19,250.90-10,361.25

Finding the Fourth Proportional to 13,931.87, 19,250.90 and 10,361.25

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Solution

The fourth proportional to 13,931.87, 19,250.90 and 10,361.25 is: 14,317.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,931.87 : 19,250.90 = 10,361.25 : x
  2. Step 2: Convert to fraction form
    13,931.87/19,250.90 = 10,361.25/x
  3. Step 3: Cross multiply
    13,931.87x = 19,250.90 × 10,361.25
  4. Step 4: Simplify right side
    13,931.87x = 199,463,434.03
  5. Step 5: Solve for x
    x = 199,463,434.03/13,931.87
  6. Step 6: Final answer
    x = 14,317.06

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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.