Home / 12,859.35-19,290.57-4,537.65

Finding the Fourth Proportional to 12,859.35, 19,290.57 and 4,537.65

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Solution

The fourth proportional to 12,859.35, 19,290.57 and 4,537.65 is: 6,807.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,859.35 : 19,290.57 = 4,537.65 : x
  2. Step 2: Convert to fraction form
    12,859.35/19,290.57 = 4,537.65/x
  3. Step 3: Cross multiply
    12,859.35x = 19,290.57 × 4,537.65
  4. Step 4: Simplify right side
    12,859.35x = 87,533,854.96
  5. Step 5: Solve for x
    x = 87,533,854.96/12,859.35
  6. Step 6: Final answer
    x = 6,807.02

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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.