Home / 15,385.95-23,078.94-4,292.67

Finding the Fourth Proportional to 15,385.95, 23,078.94 and 4,292.67

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Solution

The fourth proportional to 15,385.95, 23,078.94 and 4,292.67 is: 6,439.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,385.95 : 23,078.94 = 4,292.67 : x
  2. Step 2: Convert to fraction form
    15,385.95/23,078.94 = 4,292.67/x
  3. Step 3: Cross multiply
    15,385.95x = 23,078.94 × 4,292.67
  4. Step 4: Simplify right side
    15,385.95x = 99,070,273.37
  5. Step 5: Solve for x
    x = 99,070,273.37/15,385.95
  6. Step 6: Final answer
    x = 6,439.01

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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.