Home / 19,303.40-28,968.94-8,217.86

Finding the Fourth Proportional to 19,303.40, 28,968.94 and 8,217.86

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Solution

The fourth proportional to 19,303.40, 28,968.94 and 8,217.86 is: 12,332.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,303.40 : 28,968.94 = 8,217.86 : x
  2. Step 2: Convert to fraction form
    19,303.40/28,968.94 = 8,217.86/x
  3. Step 3: Cross multiply
    19,303.40x = 28,968.94 × 8,217.86
  4. Step 4: Simplify right side
    19,303.40x = 238,062,693.27
  5. Step 5: Solve for x
    x = 238,062,693.27/19,303.40
  6. Step 6: Final answer
    x = 12,332.68

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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.