Home / 21,094.04-31,649.79-9,241.69

Finding the Fourth Proportional to 21,094.04, 31,649.79 and 9,241.69

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Solution

The fourth proportional to 21,094.04, 31,649.79 and 9,241.69 is: 13,866.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,094.04 : 31,649.79 = 9,241.69 : x
  2. Step 2: Convert to fraction form
    21,094.04/31,649.79 = 9,241.69/x
  3. Step 3: Cross multiply
    21,094.04x = 31,649.79 × 9,241.69
  4. Step 4: Simplify right side
    21,094.04x = 292,497,547.75
  5. Step 5: Solve for x
    x = 292,497,547.75/21,094.04
  6. Step 6: Final answer
    x = 13,866.36

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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.