Home / 9,818.32-13,549.64-5,627.38

Finding the Fourth Proportional to 9,818.32, 13,549.64 and 5,627.38

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Solution

The fourth proportional to 9,818.32, 13,549.64 and 5,627.38 is: 7,765.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,818.32 : 13,549.64 = 5,627.38 : x
  2. Step 2: Convert to fraction form
    9,818.32/13,549.64 = 5,627.38/x
  3. Step 3: Cross multiply
    9,818.32x = 13,549.64 × 5,627.38
  4. Step 4: Simplify right side
    9,818.32x = 76,248,973.14
  5. Step 5: Solve for x
    x = 76,248,973.14/9,818.32
  6. Step 6: Final answer
    x = 7,765.99

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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.