Home / 9,328.40-13,994.68-4,135.76

Finding the Fourth Proportional to 9,328.40, 13,994.68 and 4,135.76

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Solution

The fourth proportional to 9,328.40, 13,994.68 and 4,135.76 is: 6,204.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,328.40 : 13,994.68 = 4,135.76 : x
  2. Step 2: Convert to fraction form
    9,328.40/13,994.68 = 4,135.76/x
  3. Step 3: Cross multiply
    9,328.40x = 13,994.68 × 4,135.76
  4. Step 4: Simplify right side
    9,328.40x = 57,878,637.76
  5. Step 5: Solve for x
    x = 57,878,637.76/9,328.40
  6. Step 6: Final answer
    x = 6,204.56

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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.