Home / 9,875.51-13,627.54-5,399.16

Finding the Fourth Proportional to 9,875.51, 13,627.54 and 5,399.16

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Solution

The fourth proportional to 9,875.51, 13,627.54 and 5,399.16 is: 7,450.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,875.51 : 13,627.54 = 5,399.16 : x
  2. Step 2: Convert to fraction form
    9,875.51/13,627.54 = 5,399.16/x
  3. Step 3: Cross multiply
    9,875.51x = 13,627.54 × 5,399.16
  4. Step 4: Simplify right side
    9,875.51x = 73,577,268.87
  5. Step 5: Solve for x
    x = 73,577,268.87/9,875.51
  6. Step 6: Final answer
    x = 7,450.48

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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.