Home / 19,905.04-29,829.30-9,371.08

Finding the Fourth Proportional to 19,905.04, 29,829.30 and 9,371.08

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Solution

The fourth proportional to 19,905.04, 29,829.30 and 9,371.08 is: 14,043.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,905.04 : 29,829.30 = 9,371.08 : x
  2. Step 2: Convert to fraction form
    19,905.04/29,829.30 = 9,371.08/x
  3. Step 3: Cross multiply
    19,905.04x = 29,829.30 × 9,371.08
  4. Step 4: Simplify right side
    19,905.04x = 279,532,756.64
  5. Step 5: Solve for x
    x = 279,532,756.64/19,905.04
  6. Step 6: Final answer
    x = 14,043.32

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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.