Home / 9,822.09-13,555.40-5,630.34

Finding the Fourth Proportional to 9,822.09, 13,555.40 and 5,630.34

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Solution

The fourth proportional to 9,822.09, 13,555.40 and 5,630.34 is: 7,770.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,822.09 : 13,555.40 = 5,630.34 : x
  2. Step 2: Convert to fraction form
    9,822.09/13,555.40 = 5,630.34/x
  3. Step 3: Cross multiply
    9,822.09x = 13,555.40 × 5,630.34
  4. Step 4: Simplify right side
    9,822.09x = 76,321,565.19
  5. Step 5: Solve for x
    x = 76,321,565.19/9,822.09
  6. Step 6: Final answer
    x = 7,770.40

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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.