Home / 10,365.10-14,289.35-8,765.33

Finding the Fourth Proportional to 10,365.10, 14,289.35 and 8,765.33

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Solution

The fourth proportional to 10,365.10, 14,289.35 and 8,765.33 is: 12,083.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,365.10 : 14,289.35 = 8,765.33 : x
  2. Step 2: Convert to fraction form
    10,365.10/14,289.35 = 8,765.33/x
  3. Step 3: Cross multiply
    10,365.10x = 14,289.35 × 8,765.33
  4. Step 4: Simplify right side
    10,365.10x = 125,250,796.79
  5. Step 5: Solve for x
    x = 125,250,796.79/10,365.10
  6. Step 6: Final answer
    x = 12,083.89

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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.