Home / 9,886.33-13,643.13-5,410.08

Finding the Fourth Proportional to 9,886.33, 13,643.13 and 5,410.08

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Solution

The fourth proportional to 9,886.33, 13,643.13 and 5,410.08 is: 7,465.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,886.33 : 13,643.13 = 5,410.08 : x
  2. Step 2: Convert to fraction form
    9,886.33/13,643.13 = 5,410.08/x
  3. Step 3: Cross multiply
    9,886.33x = 13,643.13 × 5,410.08
  4. Step 4: Simplify right side
    9,886.33x = 73,810,383.84
  5. Step 5: Solve for x
    x = 73,810,383.84/9,886.33
  6. Step 6: Final answer
    x = 7,465.91

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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.