Home / 15,339.72-23,010.09-4,245.48

Finding the Fourth Proportional to 15,339.72, 23,010.09 and 4,245.48

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Solution

The fourth proportional to 15,339.72, 23,010.09 and 4,245.48 is: 6,368.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,339.72 : 23,010.09 = 4,245.48 : x
  2. Step 2: Convert to fraction form
    15,339.72/23,010.09 = 4,245.48/x
  3. Step 3: Cross multiply
    15,339.72x = 23,010.09 × 4,245.48
  4. Step 4: Simplify right side
    15,339.72x = 97,688,876.89
  5. Step 5: Solve for x
    x = 97,688,876.89/15,339.72
  6. Step 6: Final answer
    x = 6,368.36

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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.