Home / 12,573.44-17,345.28-8,376.32

Finding the Fourth Proportional to 12,573.44, 17,345.28 and 8,376.32

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Solution

The fourth proportional to 12,573.44, 17,345.28 and 8,376.32 is: 11,555.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,573.44 : 17,345.28 = 8,376.32 : x
  2. Step 2: Convert to fraction form
    12,573.44/17,345.28 = 8,376.32/x
  3. Step 3: Cross multiply
    12,573.44x = 17,345.28 × 8,376.32
  4. Step 4: Simplify right side
    12,573.44x = 145,289,615.77
  5. Step 5: Solve for x
    x = 145,289,615.77/12,573.44
  6. Step 6: Final answer
    x = 11,555.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.