Home / 17,990.10-26,984.75-4,842.63

Finding the Fourth Proportional to 17,990.10, 26,984.75 and 4,842.63

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Solution

The fourth proportional to 17,990.10, 26,984.75 and 4,842.63 is: 7,263.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,990.10 : 26,984.75 = 4,842.63 : x
  2. Step 2: Convert to fraction form
    17,990.10/26,984.75 = 4,842.63/x
  3. Step 3: Cross multiply
    17,990.10x = 26,984.75 × 4,842.63
  4. Step 4: Simplify right side
    17,990.10x = 130,677,135.68
  5. Step 5: Solve for x
    x = 130,677,135.68/17,990.10
  6. Step 6: Final answer
    x = 7,263.84

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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.