Home / 9,307.36-12,830.88-6,653.80

Finding the Fourth Proportional to 9,307.36, 12,830.88 and 6,653.80

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Solution

The fourth proportional to 9,307.36, 12,830.88 and 6,653.80 is: 9,172.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,307.36 : 12,830.88 = 6,653.80 : x
  2. Step 2: Convert to fraction form
    9,307.36/12,830.88 = 6,653.80/x
  3. Step 3: Cross multiply
    9,307.36x = 12,830.88 × 6,653.80
  4. Step 4: Simplify right side
    9,307.36x = 85,374,109.34
  5. Step 5: Solve for x
    x = 85,374,109.34/9,307.36
  6. Step 6: Final answer
    x = 9,172.75

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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.