Home / 19,769.90-29,655.93-6,621.08

Finding the Fourth Proportional to 19,769.90, 29,655.93 and 6,621.08

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Solution

The fourth proportional to 19,769.90, 29,655.93 and 6,621.08 is: 9,931.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,769.90 : 29,655.93 = 6,621.08 : x
  2. Step 2: Convert to fraction form
    19,769.90/29,655.93 = 6,621.08/x
  3. Step 3: Cross multiply
    19,769.90x = 29,655.93 × 6,621.08
  4. Step 4: Simplify right side
    19,769.90x = 196,354,285.00
  5. Step 5: Solve for x
    x = 196,354,285.00/19,769.90
  6. Step 6: Final answer
    x = 9,931.98

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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.