Home / 9,822-13,554.48-5,630.64

Finding the Fourth Proportional to 9,822, 13,554.48 and 5,630.64

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Solution

The fourth proportional to 9,822, 13,554.48 and 5,630.64 is: 7,770.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,822 : 13,554.48 = 5,630.64 : x
  2. Step 2: Convert to fraction form
    9,822/13,554.48 = 5,630.64/x
  3. Step 3: Cross multiply
    9,822x = 13,554.48 × 5,630.64
  4. Step 4: Simplify right side
    9,822x = 76,320,397.27
  5. Step 5: Solve for x
    x = 76,320,397.27/9,822
  6. Step 6: Final answer
    x = 7,770.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.