Home / 15,285.85-22,928.81-4,192.70

Finding the Fourth Proportional to 15,285.85, 22,928.81 and 4,192.70

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Solution

The fourth proportional to 15,285.85, 22,928.81 and 4,192.70 is: 6,289.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,285.85 : 22,928.81 = 4,192.70 : x
  2. Step 2: Convert to fraction form
    15,285.85/22,928.81 = 4,192.70/x
  3. Step 3: Cross multiply
    15,285.85x = 22,928.81 × 4,192.70
  4. Step 4: Simplify right side
    15,285.85x = 96,133,486.08
  5. Step 5: Solve for x
    x = 96,133,486.08/15,285.85
  6. Step 6: Final answer
    x = 6,289.05

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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.