Home / 21,702.09-32,555.44-6,907.55

Finding the Fourth Proportional to 21,702.09, 32,555.44 and 6,907.55

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Solution

The fourth proportional to 21,702.09, 32,555.44 and 6,907.55 is: 10,362.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,702.09 : 32,555.44 = 6,907.55 : x
  2. Step 2: Convert to fraction form
    21,702.09/32,555.44 = 6,907.55/x
  3. Step 3: Cross multiply
    21,702.09x = 32,555.44 × 6,907.55
  4. Step 4: Simplify right side
    21,702.09x = 224,878,166.79
  5. Step 5: Solve for x
    x = 224,878,166.79/21,702.09
  6. Step 6: Final answer
    x = 10,362.05

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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.