Home / 9,670.36-13,346.04-5,422.14

Finding the Fourth Proportional to 9,670.36, 13,346.04 and 5,422.14

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Solution

The fourth proportional to 9,670.36, 13,346.04 and 5,422.14 is: 7,483.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,670.36 : 13,346.04 = 5,422.14 : x
  2. Step 2: Convert to fraction form
    9,670.36/13,346.04 = 5,422.14/x
  3. Step 3: Cross multiply
    9,670.36x = 13,346.04 × 5,422.14
  4. Step 4: Simplify right side
    9,670.36x = 72,364,097.33
  5. Step 5: Solve for x
    x = 72,364,097.33/9,670.36
  6. Step 6: Final answer
    x = 7,483.08

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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.