Home / 10,223.72-15,335.58-4,376.54

Finding the Fourth Proportional to 10,223.72, 15,335.58 and 4,376.54

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Solution

The fourth proportional to 10,223.72, 15,335.58 and 4,376.54 is: 6,564.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,223.72 : 15,335.58 = 4,376.54 : x
  2. Step 2: Convert to fraction form
    10,223.72/15,335.58 = 4,376.54/x
  3. Step 3: Cross multiply
    10,223.72x = 15,335.58 × 4,376.54
  4. Step 4: Simplify right side
    10,223.72x = 67,116,779.29
  5. Step 5: Solve for x
    x = 67,116,779.29/10,223.72
  6. Step 6: Final answer
    x = 6,564.81

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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.