Home / 10,153.34-15,215.70-4,810.85

Finding the Fourth Proportional to 10,153.34, 15,215.70 and 4,810.85

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Solution

The fourth proportional to 10,153.34, 15,215.70 and 4,810.85 is: 7,209.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,153.34 : 15,215.70 = 4,810.85 : x
  2. Step 2: Convert to fraction form
    10,153.34/15,215.70 = 4,810.85/x
  3. Step 3: Cross multiply
    10,153.34x = 15,215.70 × 4,810.85
  4. Step 4: Simplify right side
    10,153.34x = 73,200,450.35
  5. Step 5: Solve for x
    x = 73,200,450.35/10,153.34
  6. Step 6: Final answer
    x = 7,209.49

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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.