Home / 19,083.08-28,615.53-7,071.32

Finding the Fourth Proportional to 19,083.08, 28,615.53 and 7,071.32

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Solution

The fourth proportional to 19,083.08, 28,615.53 and 7,071.32 is: 10,603.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,083.08 : 28,615.53 = 7,071.32 : x
  2. Step 2: Convert to fraction form
    19,083.08/28,615.53 = 7,071.32/x
  3. Step 3: Cross multiply
    19,083.08x = 28,615.53 × 7,071.32
  4. Step 4: Simplify right side
    19,083.08x = 202,349,569.60
  5. Step 5: Solve for x
    x = 202,349,569.60/19,083.08
  6. Step 6: Final answer
    x = 10,603.61

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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.