Home / 21,030.65-31,541.11-6,236

Finding the Fourth Proportional to 21,030.65, 31,541.11 and 6,236

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Solution

The fourth proportional to 21,030.65, 31,541.11 and 6,236 is: 9,352.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,030.65 : 31,541.11 = 6,236 : x
  2. Step 2: Convert to fraction form
    21,030.65/31,541.11 = 6,236/x
  3. Step 3: Cross multiply
    21,030.65x = 31,541.11 × 6,236
  4. Step 4: Simplify right side
    21,030.65x = 196,690,330.78
  5. Step 5: Solve for x
    x = 196,690,330.78/21,030.65
  6. Step 6: Final answer
    x = 9,352.56

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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.