Home / 19,909.89-29,869.47-6,762.29

Finding the Fourth Proportional to 19,909.89, 29,869.47 and 6,762.29

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Solution

The fourth proportional to 19,909.89, 29,869.47 and 6,762.29 is: 10,145.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,909.89 : 29,869.47 = 6,762.29 : x
  2. Step 2: Convert to fraction form
    19,909.89/29,869.47 = 6,762.29/x
  3. Step 3: Cross multiply
    19,909.89x = 29,869.47 × 6,762.29
  4. Step 4: Simplify right side
    19,909.89x = 201,985,868.94
  5. Step 5: Solve for x
    x = 201,985,868.94/19,909.89
  6. Step 6: Final answer
    x = 10,145.00

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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.