Home / 19,014.49-28,509.59-9,134.11

Finding the Fourth Proportional to 19,014.49, 28,509.59 and 9,134.11

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Solution

The fourth proportional to 19,014.49, 28,509.59 and 9,134.11 is: 13,695.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,014.49 : 28,509.59 = 9,134.11 : x
  2. Step 2: Convert to fraction form
    19,014.49/28,509.59 = 9,134.11/x
  3. Step 3: Cross multiply
    19,014.49x = 28,509.59 × 9,134.11
  4. Step 4: Simplify right side
    19,014.49x = 260,409,685.44
  5. Step 5: Solve for x
    x = 260,409,685.44/19,014.49
  6. Step 6: Final answer
    x = 13,695.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.