Home / 12,837.48-19,262.28-8,894.80

Finding the Fourth Proportional to 12,837.48, 19,262.28 and 8,894.80

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Solution

The fourth proportional to 12,837.48, 19,262.28 and 8,894.80 is: 13,346.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,837.48 : 19,262.28 = 8,894.80 : x
  2. Step 2: Convert to fraction form
    12,837.48/19,262.28 = 8,894.80/x
  3. Step 3: Cross multiply
    12,837.48x = 19,262.28 × 8,894.80
  4. Step 4: Simplify right side
    12,837.48x = 171,334,128.14
  5. Step 5: Solve for x
    x = 171,334,128.14/12,837.48
  6. Step 6: Final answer
    x = 13,346.40

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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.