Home / 18,208.01-27,312.69-6,521.21

Finding the Fourth Proportional to 18,208.01, 27,312.69 and 6,521.21

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Solution

The fourth proportional to 18,208.01, 27,312.69 and 6,521.21 is: 9,782.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,208.01 : 27,312.69 = 6,521.21 : x
  2. Step 2: Convert to fraction form
    18,208.01/27,312.69 = 6,521.21/x
  3. Step 3: Cross multiply
    18,208.01x = 27,312.69 × 6,521.21
  4. Step 4: Simplify right side
    18,208.01x = 178,111,787.15
  5. Step 5: Solve for x
    x = 178,111,787.15/18,208.01
  6. Step 6: Final answer
    x = 9,782.06

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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.