Home / 13,256.09-19,886.55-5,460.65

Finding the Fourth Proportional to 13,256.09, 19,886.55 and 5,460.65

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Solution

The fourth proportional to 13,256.09, 19,886.55 and 5,460.65 is: 8,191.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,256.09 : 19,886.55 = 5,460.65 : x
  2. Step 2: Convert to fraction form
    13,256.09/19,886.55 = 5,460.65/x
  3. Step 3: Cross multiply
    13,256.09x = 19,886.55 × 5,460.65
  4. Step 4: Simplify right side
    13,256.09x = 108,593,489.26
  5. Step 5: Solve for x
    x = 108,593,489.26/13,256.09
  6. Step 6: Final answer
    x = 8,191.97

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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.