Home / 13,943.04-19,250.40-8,643.52

Finding the Fourth Proportional to 13,943.04, 19,250.40 and 8,643.52

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Solution

The fourth proportional to 13,943.04, 19,250.40 and 8,643.52 is: 11,933.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,943.04 : 19,250.40 = 8,643.52 : x
  2. Step 2: Convert to fraction form
    13,943.04/19,250.40 = 8,643.52/x
  3. Step 3: Cross multiply
    13,943.04x = 19,250.40 × 8,643.52
  4. Step 4: Simplify right side
    13,943.04x = 166,391,217.41
  5. Step 5: Solve for x
    x = 166,391,217.41/13,943.04
  6. Step 6: Final answer
    x = 11,933.64

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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.