Home / 9,401.48-12,977.42-6,415.18

Finding the Fourth Proportional to 9,401.48, 12,977.42 and 6,415.18

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Solution

The fourth proportional to 9,401.48, 12,977.42 and 6,415.18 is: 8,855.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,401.48 : 12,977.42 = 6,415.18 : x
  2. Step 2: Convert to fraction form
    9,401.48/12,977.42 = 6,415.18/x
  3. Step 3: Cross multiply
    9,401.48x = 12,977.42 × 6,415.18
  4. Step 4: Simplify right side
    9,401.48x = 83,252,493.71
  5. Step 5: Solve for x
    x = 83,252,493.71/9,401.48
  6. Step 6: Final answer
    x = 8,855.25

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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.