Home / 9,428.74-13,015.29-6,283.78

Finding the Fourth Proportional to 9,428.74, 13,015.29 and 6,283.78

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Solution

The fourth proportional to 9,428.74, 13,015.29 and 6,283.78 is: 8,674.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,428.74 : 13,015.29 = 6,283.78 : x
  2. Step 2: Convert to fraction form
    9,428.74/13,015.29 = 6,283.78/x
  3. Step 3: Cross multiply
    9,428.74x = 13,015.29 × 6,283.78
  4. Step 4: Simplify right side
    9,428.74x = 81,785,219.00
  5. Step 5: Solve for x
    x = 81,785,219.00/9,428.74
  6. Step 6: Final answer
    x = 8,674.03

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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.