Home / 10,222.06-14,107.74-6,242.34

Finding the Fourth Proportional to 10,222.06, 14,107.74 and 6,242.34

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Solution

The fourth proportional to 10,222.06, 14,107.74 and 6,242.34 is: 8,615.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,222.06 : 14,107.74 = 6,242.34 : x
  2. Step 2: Convert to fraction form
    10,222.06/14,107.74 = 6,242.34/x
  3. Step 3: Cross multiply
    10,222.06x = 14,107.74 × 6,242.34
  4. Step 4: Simplify right side
    10,222.06x = 88,065,309.71
  5. Step 5: Solve for x
    x = 88,065,309.71/10,222.06
  6. Step 6: Final answer
    x = 8,615.22

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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.