Home / 17,419.09-26,129.13-4,271.45

Finding the Fourth Proportional to 17,419.09, 26,129.13 and 4,271.45

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Solution

The fourth proportional to 17,419.09, 26,129.13 and 4,271.45 is: 6,407.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,419.09 : 26,129.13 = 4,271.45 : x
  2. Step 2: Convert to fraction form
    17,419.09/26,129.13 = 4,271.45/x
  3. Step 3: Cross multiply
    17,419.09x = 26,129.13 × 4,271.45
  4. Step 4: Simplify right side
    17,419.09x = 111,609,272.34
  5. Step 5: Solve for x
    x = 111,609,272.34/17,419.09
  6. Step 6: Final answer
    x = 6,407.30

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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.