Home / 11,907.74-16,432.80-6,603.05

Finding the Fourth Proportional to 11,907.74, 16,432.80 and 6,603.05

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Solution

The fourth proportional to 11,907.74, 16,432.80 and 6,603.05 is: 9,112.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,907.74 : 16,432.80 = 6,603.05 : x
  2. Step 2: Convert to fraction form
    11,907.74/16,432.80 = 6,603.05/x
  3. Step 3: Cross multiply
    11,907.74x = 16,432.80 × 6,603.05
  4. Step 4: Simplify right side
    11,907.74x = 108,506,600.04
  5. Step 5: Solve for x
    x = 108,506,600.04/11,907.74
  6. Step 6: Final answer
    x = 9,112.27

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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.