Home / 21,955.32-32,937.57-7,165.08

Finding the Fourth Proportional to 21,955.32, 32,937.57 and 7,165.08

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Solution

The fourth proportional to 21,955.32, 32,937.57 and 7,165.08 is: 10,749.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,955.32 : 32,937.57 = 7,165.08 : x
  2. Step 2: Convert to fraction form
    21,955.32/32,937.57 = 7,165.08/x
  3. Step 3: Cross multiply
    21,955.32x = 32,937.57 × 7,165.08
  4. Step 4: Simplify right side
    21,955.32x = 236,000,324.06
  5. Step 5: Solve for x
    x = 236,000,324.06/21,955.32
  6. Step 6: Final answer
    x = 10,749.12

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.