Home / 19,688.81-29,526.79-6,537.65

Finding the Fourth Proportional to 19,688.81, 29,526.79 and 6,537.65

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Solution

The fourth proportional to 19,688.81, 29,526.79 and 6,537.65 is: 9,804.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,688.81 : 29,526.79 = 6,537.65 : x
  2. Step 2: Convert to fraction form
    19,688.81/29,526.79 = 6,537.65/x
  3. Step 3: Cross multiply
    19,688.81x = 29,526.79 × 6,537.65
  4. Step 4: Simplify right side
    19,688.81x = 193,035,818.64
  5. Step 5: Solve for x
    x = 193,035,818.64/19,688.81
  6. Step 6: Final answer
    x = 9,804.34

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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.