Home / 13,186.17-19,779.63-4,301.46

Finding the Fourth Proportional to 13,186.17, 19,779.63 and 4,301.46

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Solution

The fourth proportional to 13,186.17, 19,779.63 and 4,301.46 is: 6,452.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,186.17 : 19,779.63 = 4,301.46 : x
  2. Step 2: Convert to fraction form
    13,186.17/19,779.63 = 4,301.46/x
  3. Step 3: Cross multiply
    13,186.17x = 19,779.63 × 4,301.46
  4. Step 4: Simplify right side
    13,186.17x = 85,081,287.26
  5. Step 5: Solve for x
    x = 85,081,287.26/13,186.17
  6. Step 6: Final answer
    x = 6,452.31

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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.