Home / 12,147.84-16,762.95-6,770.07

Finding the Fourth Proportional to 12,147.84, 16,762.95 and 6,770.07

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Solution

The fourth proportional to 12,147.84, 16,762.95 and 6,770.07 is: 9,342.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,147.84 : 16,762.95 = 6,770.07 : x
  2. Step 2: Convert to fraction form
    12,147.84/16,762.95 = 6,770.07/x
  3. Step 3: Cross multiply
    12,147.84x = 16,762.95 × 6,770.07
  4. Step 4: Simplify right side
    12,147.84x = 113,486,344.91
  5. Step 5: Solve for x
    x = 113,486,344.91/12,147.84
  6. Step 6: Final answer
    x = 9,342.10

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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.