Home / 10,556.21-14,561.22-6,971.20

Finding the Fourth Proportional to 10,556.21, 14,561.22 and 6,971.20

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Solution

The fourth proportional to 10,556.21, 14,561.22 and 6,971.20 is: 9,616.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,556.21 : 14,561.22 = 6,971.20 : x
  2. Step 2: Convert to fraction form
    10,556.21/14,561.22 = 6,971.20/x
  3. Step 3: Cross multiply
    10,556.21x = 14,561.22 × 6,971.20
  4. Step 4: Simplify right side
    10,556.21x = 101,509,176.86
  5. Step 5: Solve for x
    x = 101,509,176.86/10,556.21
  6. Step 6: Final answer
    x = 9,616.06

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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.