Home / 12,746.25-17,589.93-7,440.03

Finding the Fourth Proportional to 12,746.25, 17,589.93 and 7,440.03

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Solution

The fourth proportional to 12,746.25, 17,589.93 and 7,440.03 is: 10,267.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,746.25 : 17,589.93 = 7,440.03 : x
  2. Step 2: Convert to fraction form
    12,746.25/17,589.93 = 7,440.03/x
  3. Step 3: Cross multiply
    12,746.25x = 17,589.93 × 7,440.03
  4. Step 4: Simplify right side
    12,746.25x = 130,869,606.90
  5. Step 5: Solve for x
    x = 130,869,606.90/12,746.25
  6. Step 6: Final answer
    x = 10,267.30

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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.