Home / 12,883.86-19,315.26-8,527.68

Finding the Fourth Proportional to 12,883.86, 19,315.26 and 8,527.68

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Solution

The fourth proportional to 12,883.86, 19,315.26 and 8,527.68 is: 12,784.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,883.86 : 19,315.26 = 8,527.68 : x
  2. Step 2: Convert to fraction form
    12,883.86/19,315.26 = 8,527.68/x
  3. Step 3: Cross multiply
    12,883.86x = 19,315.26 × 8,527.68
  4. Step 4: Simplify right side
    12,883.86x = 164,714,356.40
  5. Step 5: Solve for x
    x = 164,714,356.40/12,883.86
  6. Step 6: Final answer
    x = 12,784.55

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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.