Home / 10,343.07-14,258.15-8,071.85

Finding the Fourth Proportional to 10,343.07, 14,258.15 and 8,071.85

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Solution

The fourth proportional to 10,343.07, 14,258.15 and 8,071.85 is: 11,127.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,343.07 : 14,258.15 = 8,071.85 : x
  2. Step 2: Convert to fraction form
    10,343.07/14,258.15 = 8,071.85/x
  3. Step 3: Cross multiply
    10,343.07x = 14,258.15 × 8,071.85
  4. Step 4: Simplify right side
    10,343.07x = 115,089,536.43
  5. Step 5: Solve for x
    x = 115,089,536.43/10,343.07
  6. Step 6: Final answer
    x = 11,127.21

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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.