Home / 18,990.43-26,205.44-10,492.46

Finding the Fourth Proportional to 18,990.43, 26,205.44 and 10,492.46

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Solution

The fourth proportional to 18,990.43, 26,205.44 and 10,492.46 is: 14,478.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,990.43 : 26,205.44 = 10,492.46 : x
  2. Step 2: Convert to fraction form
    18,990.43/26,205.44 = 10,492.46/x
  3. Step 3: Cross multiply
    18,990.43x = 26,205.44 × 10,492.46
  4. Step 4: Simplify right side
    18,990.43x = 274,959,347.49
  5. Step 5: Solve for x
    x = 274,959,347.49/18,990.43
  6. Step 6: Final answer
    x = 14,478.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.