Home / 21,052.86-31,573.80-6,257.81

Finding the Fourth Proportional to 21,052.86, 31,573.80 and 6,257.81

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Solution

The fourth proportional to 21,052.86, 31,573.80 and 6,257.81 is: 9,385.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,052.86 : 31,573.80 = 6,257.81 : x
  2. Step 2: Convert to fraction form
    21,052.86/31,573.80 = 6,257.81/x
  3. Step 3: Cross multiply
    21,052.86x = 31,573.80 × 6,257.81
  4. Step 4: Simplify right side
    21,052.86x = 197,582,683.51
  5. Step 5: Solve for x
    x = 197,582,683.51/21,052.86
  6. Step 6: Final answer
    x = 9,385.08

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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.