Home / 21,929.81-32,897.96-6,345.41

Finding the Fourth Proportional to 21,929.81, 32,897.96 and 6,345.41

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Solution

The fourth proportional to 21,929.81, 32,897.96 and 6,345.41 is: 9,519.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,929.81 : 32,897.96 = 6,345.41 : x
  2. Step 2: Convert to fraction form
    21,929.81/32,897.96 = 6,345.41/x
  3. Step 3: Cross multiply
    21,929.81x = 32,897.96 × 6,345.41
  4. Step 4: Simplify right side
    21,929.81x = 208,750,971.51
  5. Step 5: Solve for x
    x = 208,750,971.51/21,929.81
  6. Step 6: Final answer
    x = 9,519.05

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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.