Home / 18,907.41-28,360.08-5,758.68

Finding the Fourth Proportional to 18,907.41, 28,360.08 and 5,758.68

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Solution

The fourth proportional to 18,907.41, 28,360.08 and 5,758.68 is: 8,637.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,907.41 : 28,360.08 = 5,758.68 : x
  2. Step 2: Convert to fraction form
    18,907.41/28,360.08 = 5,758.68/x
  3. Step 3: Cross multiply
    18,907.41x = 28,360.08 × 5,758.68
  4. Step 4: Simplify right side
    18,907.41x = 163,316,625.49
  5. Step 5: Solve for x
    x = 163,316,625.49/18,907.41
  6. Step 6: Final answer
    x = 8,637.70

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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.