Home / 13,809.27-19,051.11-9,619.95

Finding the Fourth Proportional to 13,809.27, 19,051.11 and 9,619.95

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Solution

The fourth proportional to 13,809.27, 19,051.11 and 9,619.95 is: 13,271.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,809.27 : 19,051.11 = 9,619.95 : x
  2. Step 2: Convert to fraction form
    13,809.27/19,051.11 = 9,619.95/x
  3. Step 3: Cross multiply
    13,809.27x = 19,051.11 × 9,619.95
  4. Step 4: Simplify right side
    13,809.27x = 183,270,725.64
  5. Step 5: Solve for x
    x = 183,270,725.64/13,809.27
  6. Step 6: Final answer
    x = 13,271.57

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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.