Home / 12,587.73-18,863.77-9,802.14

Finding the Fourth Proportional to 12,587.73, 18,863.77 and 9,802.14

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Solution

The fourth proportional to 12,587.73, 18,863.77 and 9,802.14 is: 14,689.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,587.73 : 18,863.77 = 9,802.14 : x
  2. Step 2: Convert to fraction form
    12,587.73/18,863.77 = 9,802.14/x
  3. Step 3: Cross multiply
    12,587.73x = 18,863.77 × 9,802.14
  4. Step 4: Simplify right side
    12,587.73x = 184,905,237.60
  5. Step 5: Solve for x
    x = 184,905,237.60/12,587.73
  6. Step 6: Final answer
    x = 14,689.33

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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.