Home / 15,895.80-23,843.70-4,210.20

Finding the Fourth Proportional to 15,895.80, 23,843.70 and 4,210.20

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Solution

The fourth proportional to 15,895.80, 23,843.70 and 4,210.20 is: 6,315.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,895.80 : 23,843.70 = 4,210.20 : x
  2. Step 2: Convert to fraction form
    15,895.80/23,843.70 = 4,210.20/x
  3. Step 3: Cross multiply
    15,895.80x = 23,843.70 × 4,210.20
  4. Step 4: Simplify right side
    15,895.80x = 100,386,745.74
  5. Step 5: Solve for x
    x = 100,386,745.74/15,895.80
  6. Step 6: Final answer
    x = 6,315.30

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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.