Home / 21,014.28-31,526.03-6,224.34

Finding the Fourth Proportional to 21,014.28, 31,526.03 and 6,224.34

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Solution

The fourth proportional to 21,014.28, 31,526.03 and 6,224.34 is: 9,337.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,014.28 : 31,526.03 = 6,224.34 : x
  2. Step 2: Convert to fraction form
    21,014.28/31,526.03 = 6,224.34/x
  3. Step 3: Cross multiply
    21,014.28x = 31,526.03 × 6,224.34
  4. Step 4: Simplify right side
    21,014.28x = 196,228,698.45
  5. Step 5: Solve for x
    x = 196,228,698.45/21,014.28
  6. Step 6: Final answer
    x = 9,337.87

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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.