Home / 19,312.74-28,975.59-8,214.66

Finding the Fourth Proportional to 19,312.74, 28,975.59 and 8,214.66

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Solution

The fourth proportional to 19,312.74, 28,975.59 and 8,214.66 is: 12,324.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,312.74 : 28,975.59 = 8,214.66 : x
  2. Step 2: Convert to fraction form
    19,312.74/28,975.59 = 8,214.66/x
  3. Step 3: Cross multiply
    19,312.74x = 28,975.59 × 8,214.66
  4. Step 4: Simplify right side
    19,312.74x = 238,024,620.15
  5. Step 5: Solve for x
    x = 238,024,620.15/19,312.74
  6. Step 6: Final answer
    x = 12,324.75

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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.