Home / 14,087.28-19,433-11,430.04

Finding the Fourth Proportional to 14,087.28, 19,433 and 11,430.04

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Solution

The fourth proportional to 14,087.28, 19,433 and 11,430.04 is: 15,767.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,087.28 : 19,433 = 11,430.04 : x
  2. Step 2: Convert to fraction form
    14,087.28/19,433 = 11,430.04/x
  3. Step 3: Cross multiply
    14,087.28x = 19,433 × 11,430.04
  4. Step 4: Simplify right side
    14,087.28x = 222,119,967.32
  5. Step 5: Solve for x
    x = 222,119,967.32/14,087.28
  6. Step 6: Final answer
    x = 15,767.41

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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.