Home / 12,307.35-18,460.13-4,809.50

Finding the Fourth Proportional to 12,307.35, 18,460.13 and 4,809.50

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Solution

The fourth proportional to 12,307.35, 18,460.13 and 4,809.50 is: 7,213.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,307.35 : 18,460.13 = 4,809.50 : x
  2. Step 2: Convert to fraction form
    12,307.35/18,460.13 = 4,809.50/x
  3. Step 3: Cross multiply
    12,307.35x = 18,460.13 × 4,809.50
  4. Step 4: Simplify right side
    12,307.35x = 88,783,966.15
  5. Step 5: Solve for x
    x = 88,783,966.15/12,307.35
  6. Step 6: Final answer
    x = 7,213.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.