Home / 10,289.40-15,430.14-3,267.96

Finding the Fourth Proportional to 10,289.40, 15,430.14 and 3,267.96

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Solution

The fourth proportional to 10,289.40, 15,430.14 and 3,267.96 is: 4,900.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,289.40 : 15,430.14 = 3,267.96 : x
  2. Step 2: Convert to fraction form
    10,289.40/15,430.14 = 3,267.96/x
  3. Step 3: Cross multiply
    10,289.40x = 15,430.14 × 3,267.96
  4. Step 4: Simplify right side
    10,289.40x = 50,425,080.31
  5. Step 5: Solve for x
    x = 50,425,080.31/10,289.40
  6. Step 6: Final answer
    x = 4,900.68

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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.