Home / 9,771.21-14,603.16-7,144.24

Finding the Fourth Proportional to 9,771.21, 14,603.16 and 7,144.24

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Solution

The fourth proportional to 9,771.21, 14,603.16 and 7,144.24 is: 10,677.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,771.21 : 14,603.16 = 7,144.24 : x
  2. Step 2: Convert to fraction form
    9,771.21/14,603.16 = 7,144.24/x
  3. Step 3: Cross multiply
    9,771.21x = 14,603.16 × 7,144.24
  4. Step 4: Simplify right side
    9,771.21x = 104,328,479.80
  5. Step 5: Solve for x
    x = 104,328,479.80/9,771.21
  6. Step 6: Final answer
    x = 10,677.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.