Home / 9,014.36-12,425.00-7,021.49

Finding the Fourth Proportional to 9,014.36, 12,425.00 and 7,021.49

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Solution

The fourth proportional to 9,014.36, 12,425.00 and 7,021.49 is: 9,678.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,014.36 : 12,425.00 = 7,021.49 : x
  2. Step 2: Convert to fraction form
    9,014.36/12,425.00 = 7,021.49/x
  3. Step 3: Cross multiply
    9,014.36x = 12,425.00 × 7,021.49
  4. Step 4: Simplify right side
    9,014.36x = 87,241,916.02
  5. Step 5: Solve for x
    x = 87,241,916.02/9,014.36
  6. Step 6: Final answer
    x = 9,678.11

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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.