Home / 18,853.53-28,242.59-11,352.93

Finding the Fourth Proportional to 18,853.53, 28,242.59 and 11,352.93

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Solution

The fourth proportional to 18,853.53, 28,242.59 and 11,352.93 is: 17,006.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,853.53 : 28,242.59 = 11,352.93 : x
  2. Step 2: Convert to fraction form
    18,853.53/28,242.59 = 11,352.93/x
  3. Step 3: Cross multiply
    18,853.53x = 28,242.59 × 11,352.93
  4. Step 4: Simplify right side
    18,853.53x = 320,636,090.52
  5. Step 5: Solve for x
    x = 320,636,090.52/18,853.53
  6. Step 6: Final answer
    x = 17,006.69

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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.