Home / 17,918.39-26,881.35-6,071.55

Finding the Fourth Proportional to 17,918.39, 26,881.35 and 6,071.55

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Solution

The fourth proportional to 17,918.39, 26,881.35 and 6,071.55 is: 9,108.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,918.39 : 26,881.35 = 6,071.55 : x
  2. Step 2: Convert to fraction form
    17,918.39/26,881.35 = 6,071.55/x
  3. Step 3: Cross multiply
    17,918.39x = 26,881.35 × 6,071.55
  4. Step 4: Simplify right side
    17,918.39x = 163,211,460.59
  5. Step 5: Solve for x
    x = 163,211,460.59/17,918.39
  6. Step 6: Final answer
    x = 9,108.60

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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.