Home / 10,300.24-15,450.99-2,905.35

Finding the Fourth Proportional to 10,300.24, 15,450.99 and 2,905.35

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Solution

The fourth proportional to 10,300.24, 15,450.99 and 2,905.35 is: 4,358.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,300.24 : 15,450.99 = 2,905.35 : x
  2. Step 2: Convert to fraction form
    10,300.24/15,450.99 = 2,905.35/x
  3. Step 3: Cross multiply
    10,300.24x = 15,450.99 × 2,905.35
  4. Step 4: Simplify right side
    10,300.24x = 44,890,533.80
  5. Step 5: Solve for x
    x = 44,890,533.80/10,300.24
  6. Step 6: Final answer
    x = 4,358.20

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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.