Home / 12,740.55-17,584.05-7,435.35

Finding the Fourth Proportional to 12,740.55, 17,584.05 and 7,435.35

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Solution

The fourth proportional to 12,740.55, 17,584.05 and 7,435.35 is: 10,262.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,740.55 : 17,584.05 = 7,435.35 : x
  2. Step 2: Convert to fraction form
    12,740.55/17,584.05 = 7,435.35/x
  3. Step 3: Cross multiply
    12,740.55x = 17,584.05 × 7,435.35
  4. Step 4: Simplify right side
    12,740.55x = 130,743,528.99
  5. Step 5: Solve for x
    x = 130,743,528.99/12,740.55
  6. Step 6: Final answer
    x = 10,262.00

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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.