Home / 21,038.28-31,546.36-6,245.16

Finding the Fourth Proportional to 21,038.28, 31,546.36 and 6,245.16

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Solution

The fourth proportional to 21,038.28, 31,546.36 and 6,245.16 is: 9,364.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,038.28 : 31,546.36 = 6,245.16 : x
  2. Step 2: Convert to fraction form
    21,038.28/31,546.36 = 6,245.16/x
  3. Step 3: Cross multiply
    21,038.28x = 31,546.36 × 6,245.16
  4. Step 4: Simplify right side
    21,038.28x = 197,012,065.62
  5. Step 5: Solve for x
    x = 197,012,065.62/21,038.28
  6. Step 6: Final answer
    x = 9,364.46

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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.