Home / 10,235.06-15,364.86-6,938.16

Finding the Fourth Proportional to 10,235.06, 15,364.86 and 6,938.16

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Solution

The fourth proportional to 10,235.06, 15,364.86 and 6,938.16 is: 10,415.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,235.06 : 15,364.86 = 6,938.16 : x
  2. Step 2: Convert to fraction form
    10,235.06/15,364.86 = 6,938.16/x
  3. Step 3: Cross multiply
    10,235.06x = 15,364.86 × 6,938.16
  4. Step 4: Simplify right side
    10,235.06x = 106,603,857.06
  5. Step 5: Solve for x
    x = 106,603,857.06/10,235.06
  6. Step 6: Final answer
    x = 10,415.56

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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.