Home / 12,645.32-17,450.44-7,340.63

Finding the Fourth Proportional to 12,645.32, 17,450.44 and 7,340.63

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Solution

The fourth proportional to 12,645.32, 17,450.44 and 7,340.63 is: 10,130.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,645.32 : 17,450.44 = 7,340.63 : x
  2. Step 2: Convert to fraction form
    12,645.32/17,450.44 = 7,340.63/x
  3. Step 3: Cross multiply
    12,645.32x = 17,450.44 × 7,340.63
  4. Step 4: Simplify right side
    12,645.32x = 128,097,117.77
  5. Step 5: Solve for x
    x = 128,097,117.77/12,645.32
  6. Step 6: Final answer
    x = 10,130.01

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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.