Home / 18,004.51-26,990.43-6,311.35

Finding the Fourth Proportional to 18,004.51, 26,990.43 and 6,311.35

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Solution

The fourth proportional to 18,004.51, 26,990.43 and 6,311.35 is: 9,461.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,004.51 : 26,990.43 = 6,311.35 : x
  2. Step 2: Convert to fraction form
    18,004.51/26,990.43 = 6,311.35/x
  3. Step 3: Cross multiply
    18,004.51x = 26,990.43 × 6,311.35
  4. Step 4: Simplify right side
    18,004.51x = 170,346,095.95
  5. Step 5: Solve for x
    x = 170,346,095.95/18,004.51
  6. Step 6: Final answer
    x = 9,461.30

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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.