Home / 9,664.74-13,343.75-7,422.60

Finding the Fourth Proportional to 9,664.74, 13,343.75 and 7,422.60

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Solution

The fourth proportional to 9,664.74, 13,343.75 and 7,422.60 is: 10,248.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,664.74 : 13,343.75 = 7,422.60 : x
  2. Step 2: Convert to fraction form
    9,664.74/13,343.75 = 7,422.60/x
  3. Step 3: Cross multiply
    9,664.74x = 13,343.75 × 7,422.60
  4. Step 4: Simplify right side
    9,664.74x = 99,045,281.64
  5. Step 5: Solve for x
    x = 99,045,281.64/9,664.74
  6. Step 6: Final answer
    x = 10,248.11

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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.