Home / 16,820.06-23,211.56-9,266.40

Finding the Fourth Proportional to 16,820.06, 23,211.56 and 9,266.40

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Solution

The fourth proportional to 16,820.06, 23,211.56 and 9,266.40 is: 12,787.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,820.06 : 23,211.56 = 9,266.40 : x
  2. Step 2: Convert to fraction form
    16,820.06/23,211.56 = 9,266.40/x
  3. Step 3: Cross multiply
    16,820.06x = 23,211.56 × 9,266.40
  4. Step 4: Simplify right side
    16,820.06x = 215,087,622.75
  5. Step 5: Solve for x
    x = 215,087,622.75/16,820.06
  6. Step 6: Final answer
    x = 12,787.57

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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.