Home / 12,506.04-17,268.93-8,039.70

Finding the Fourth Proportional to 12,506.04, 17,268.93 and 8,039.70

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Solution

The fourth proportional to 12,506.04, 17,268.93 and 8,039.70 is: 11,101.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,506.04 : 17,268.93 = 8,039.70 : x
  2. Step 2: Convert to fraction form
    12,506.04/17,268.93 = 8,039.70/x
  3. Step 3: Cross multiply
    12,506.04x = 17,268.93 × 8,039.70
  4. Step 4: Simplify right side
    12,506.04x = 138,837,016.52
  5. Step 5: Solve for x
    x = 138,837,016.52/12,506.04
  6. Step 6: Final answer
    x = 11,101.60

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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.