Home / 9,897.23-13,659.36-6,122.90

Finding the Fourth Proportional to 9,897.23, 13,659.36 and 6,122.90

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Solution

The fourth proportional to 9,897.23, 13,659.36 and 6,122.90 is: 8,450.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,897.23 : 13,659.36 = 6,122.90 : x
  2. Step 2: Convert to fraction form
    9,897.23/13,659.36 = 6,122.90/x
  3. Step 3: Cross multiply
    9,897.23x = 13,659.36 × 6,122.90
  4. Step 4: Simplify right side
    9,897.23x = 83,634,895.34
  5. Step 5: Solve for x
    x = 83,634,895.34/9,897.23
  6. Step 6: Final answer
    x = 8,450.33

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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.