Home / 10,722.60-16,083.90-7,223.40

Finding the Fourth Proportional to 10,722.60, 16,083.90 and 7,223.40

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Solution

The fourth proportional to 10,722.60, 16,083.90 and 7,223.40 is: 10,835.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,722.60 : 16,083.90 = 7,223.40 : x
  2. Step 2: Convert to fraction form
    10,722.60/16,083.90 = 7,223.40/x
  3. Step 3: Cross multiply
    10,722.60x = 16,083.90 × 7,223.40
  4. Step 4: Simplify right side
    10,722.60x = 116,180,443.26
  5. Step 5: Solve for x
    x = 116,180,443.26/10,722.60
  6. Step 6: Final answer
    x = 10,835.10

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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.