Home / 15,428.64-23,111.97-7,097.07

Finding the Fourth Proportional to 15,428.64, 23,111.97 and 7,097.07

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Solution

The fourth proportional to 15,428.64, 23,111.97 and 7,097.07 is: 10,631.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,428.64 : 23,111.97 = 7,097.07 : x
  2. Step 2: Convert to fraction form
    15,428.64/23,111.97 = 7,097.07/x
  3. Step 3: Cross multiply
    15,428.64x = 23,111.97 × 7,097.07
  4. Step 4: Simplify right side
    15,428.64x = 164,027,268.93
  5. Step 5: Solve for x
    x = 164,027,268.93/15,428.64
  6. Step 6: Final answer
    x = 10,631.35

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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.