Home / 21,048.08-31,566.66-6,253.64

Finding the Fourth Proportional to 21,048.08, 31,566.66 and 6,253.64

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Solution

The fourth proportional to 21,048.08, 31,566.66 and 6,253.64 is: 9,378.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,048.08 : 31,566.66 = 6,253.64 : x
  2. Step 2: Convert to fraction form
    21,048.08/31,566.66 = 6,253.64/x
  3. Step 3: Cross multiply
    21,048.08x = 31,566.66 × 6,253.64
  4. Step 4: Simplify right side
    21,048.08x = 197,406,527.64
  5. Step 5: Solve for x
    x = 197,406,527.64/21,048.08
  6. Step 6: Final answer
    x = 9,378.84

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1.5x scale

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.