Home / 12,911.36-19,360.68-4,590.24

Finding the Fourth Proportional to 12,911.36, 19,360.68 and 4,590.24

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Solution

The fourth proportional to 12,911.36, 19,360.68 and 4,590.24 is: 6,883.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,911.36 : 19,360.68 = 4,590.24 : x
  2. Step 2: Convert to fraction form
    12,911.36/19,360.68 = 4,590.24/x
  3. Step 3: Cross multiply
    12,911.36x = 19,360.68 × 4,590.24
  4. Step 4: Simplify right side
    12,911.36x = 88,870,167.76
  5. Step 5: Solve for x
    x = 88,870,167.76/12,911.36
  6. Step 6: Final answer
    x = 6,883.10

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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.