Home / 9,750.11-13,442.95-8,137.35

Finding the Fourth Proportional to 9,750.11, 13,442.95 and 8,137.35

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Solution

The fourth proportional to 9,750.11, 13,442.95 and 8,137.35 is: 11,219.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,750.11 : 13,442.95 = 8,137.35 : x
  2. Step 2: Convert to fraction form
    9,750.11/13,442.95 = 8,137.35/x
  3. Step 3: Cross multiply
    9,750.11x = 13,442.95 × 8,137.35
  4. Step 4: Simplify right side
    9,750.11x = 109,390,015.50
  5. Step 5: Solve for x
    x = 109,390,015.50/9,750.11
  6. Step 6: Final answer
    x = 11,219.36

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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.