Home / 12,620.21-17,416.00-6,955.16

Finding the Fourth Proportional to 12,620.21, 17,416.00 and 6,955.16

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Solution

The fourth proportional to 12,620.21, 17,416.00 and 6,955.16 is: 9,598.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,620.21 : 17,416.00 = 6,955.16 : x
  2. Step 2: Convert to fraction form
    12,620.21/17,416.00 = 6,955.16/x
  3. Step 3: Cross multiply
    12,620.21x = 17,416.00 × 6,955.16
  4. Step 4: Simplify right side
    12,620.21x = 121,130,962.09
  5. Step 5: Solve for x
    x = 121,130,962.09/12,620.21
  6. Step 6: Final answer
    x = 9,598.18

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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.