Home / 12,911.46-19,360.80-4,590.23

Finding the Fourth Proportional to 12,911.46, 19,360.80 and 4,590.23

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Solution

The fourth proportional to 12,911.46, 19,360.80 and 4,590.23 is: 6,883.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,911.46 : 19,360.80 = 4,590.23 : x
  2. Step 2: Convert to fraction form
    12,911.46/19,360.80 = 4,590.23/x
  3. Step 3: Cross multiply
    12,911.46x = 19,360.80 × 4,590.23
  4. Step 4: Simplify right side
    12,911.46x = 88,870,502.03
  5. Step 5: Solve for x
    x = 88,870,502.03/12,911.46
  6. Step 6: Final answer
    x = 6,883.07

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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.