Home / 15,784.83-23,675.01-6,428.93

Finding the Fourth Proportional to 15,784.83, 23,675.01 and 6,428.93

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Solution

The fourth proportional to 15,784.83, 23,675.01 and 6,428.93 is: 9,642.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,784.83 : 23,675.01 = 6,428.93 : x
  2. Step 2: Convert to fraction form
    15,784.83/23,675.01 = 6,428.93/x
  3. Step 3: Cross multiply
    15,784.83x = 23,675.01 × 6,428.93
  4. Step 4: Simplify right side
    15,784.83x = 152,204,982.04
  5. Step 5: Solve for x
    x = 152,204,982.04/15,784.83
  6. Step 6: Final answer
    x = 9,642.48

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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.