Home / 21,014.08-31,521.02-6,223.08

Finding the Fourth Proportional to 21,014.08, 31,521.02 and 6,223.08

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Solution

The fourth proportional to 21,014.08, 31,521.02 and 6,223.08 is: 9,334.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,014.08 : 31,521.02 = 6,223.08 : x
  2. Step 2: Convert to fraction form
    21,014.08/31,521.02 = 6,223.08/x
  3. Step 3: Cross multiply
    21,014.08x = 31,521.02 × 6,223.08
  4. Step 4: Simplify right side
    21,014.08x = 196,157,829.14
  5. Step 5: Solve for x
    x = 196,157,829.14/21,014.08
  6. Step 6: Final answer
    x = 9,334.59

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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.