Home / 12,854.92-19,268.34-5,055.16

Finding the Fourth Proportional to 12,854.92, 19,268.34 and 5,055.16

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Solution

The fourth proportional to 12,854.92, 19,268.34 and 5,055.16 is: 7,577.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,854.92 : 19,268.34 = 5,055.16 : x
  2. Step 2: Convert to fraction form
    12,854.92/19,268.34 = 5,055.16/x
  3. Step 3: Cross multiply
    12,854.92x = 19,268.34 × 5,055.16
  4. Step 4: Simplify right side
    12,854.92x = 97,404,541.63
  5. Step 5: Solve for x
    x = 97,404,541.63/12,854.92
  6. Step 6: Final answer
    x = 7,577.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.