Home / 10,409.46-14,360.70-6,825.28

Finding the Fourth Proportional to 10,409.46, 14,360.70 and 6,825.28

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Solution

The fourth proportional to 10,409.46, 14,360.70 and 6,825.28 is: 9,416.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,409.46 : 14,360.70 = 6,825.28 : x
  2. Step 2: Convert to fraction form
    10,409.46/14,360.70 = 6,825.28/x
  3. Step 3: Cross multiply
    10,409.46x = 14,360.70 × 6,825.28
  4. Step 4: Simplify right side
    10,409.46x = 98,015,798.50
  5. Step 5: Solve for x
    x = 98,015,798.50/10,409.46
  6. Step 6: Final answer
    x = 9,416.03

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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.