Home / 12,435.06-17,157.48-9,079.68

Finding the Fourth Proportional to 12,435.06, 17,157.48 and 9,079.68

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Solution

The fourth proportional to 12,435.06, 17,157.48 and 9,079.68 is: 12,527.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,435.06 : 17,157.48 = 9,079.68 : x
  2. Step 2: Convert to fraction form
    12,435.06/17,157.48 = 9,079.68/x
  3. Step 3: Cross multiply
    12,435.06x = 17,157.48 × 9,079.68
  4. Step 4: Simplify right side
    12,435.06x = 155,784,428.01
  5. Step 5: Solve for x
    x = 155,784,428.01/12,435.06
  6. Step 6: Final answer
    x = 12,527.84

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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.