Home / 21,041.32-31,556.55-6,246.89

Finding the Fourth Proportional to 21,041.32, 31,556.55 and 6,246.89

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Solution

The fourth proportional to 21,041.32, 31,556.55 and 6,246.89 is: 9,368.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,041.32 : 31,556.55 = 6,246.89 : x
  2. Step 2: Convert to fraction form
    21,041.32/31,556.55 = 6,246.89/x
  3. Step 3: Cross multiply
    21,041.32x = 31,556.55 × 6,246.89
  4. Step 4: Simplify right side
    21,041.32x = 197,130,265.40
  5. Step 5: Solve for x
    x = 197,130,265.40/21,041.32
  6. Step 6: Final answer
    x = 9,368.72

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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.