Home / 13,105.23-19,657.61-3,244.51

Finding the Fourth Proportional to 13,105.23, 19,657.61 and 3,244.51

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Solution

The fourth proportional to 13,105.23, 19,657.61 and 3,244.51 is: 4,866.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,105.23 : 19,657.61 = 3,244.51 : x
  2. Step 2: Convert to fraction form
    13,105.23/19,657.61 = 3,244.51/x
  3. Step 3: Cross multiply
    13,105.23x = 19,657.61 × 3,244.51
  4. Step 4: Simplify right side
    13,105.23x = 63,779,312.22
  5. Step 5: Solve for x
    x = 63,779,312.22/13,105.23
  6. Step 6: Final answer
    x = 4,866.71

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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.