Home / 21,030.59-31,541.01-6,235.94

Finding the Fourth Proportional to 21,030.59, 31,541.01 and 6,235.94

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Solution

The fourth proportional to 21,030.59, 31,541.01 and 6,235.94 is: 9,352.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,030.59 : 31,541.01 = 6,235.94 : x
  2. Step 2: Convert to fraction form
    21,030.59/31,541.01 = 6,235.94/x
  3. Step 3: Cross multiply
    21,030.59x = 31,541.01 × 6,235.94
  4. Step 4: Simplify right side
    21,030.59x = 196,687,688.19
  5. Step 5: Solve for x
    x = 196,687,688.19/21,030.59
  6. Step 6: Final answer
    x = 9,352.46

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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.