Home / 10,834.40-14,893.60-9,765.20

Finding the Fourth Proportional to 10,834.40, 14,893.60 and 9,765.20

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Solution

The fourth proportional to 10,834.40, 14,893.60 and 9,765.20 is: 13,423.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,834.40 : 14,893.60 = 9,765.20 : x
  2. Step 2: Convert to fraction form
    10,834.40/14,893.60 = 9,765.20/x
  3. Step 3: Cross multiply
    10,834.40x = 14,893.60 × 9,765.20
  4. Step 4: Simplify right side
    10,834.40x = 145,438,982.72
  5. Step 5: Solve for x
    x = 145,438,982.72/10,834.40
  6. Step 6: Final answer
    x = 13,423.82

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.