Home / 15,293.94-21,103.08-9,007.56

Finding the Fourth Proportional to 15,293.94, 21,103.08 and 9,007.56

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Solution

The fourth proportional to 15,293.94, 21,103.08 and 9,007.56 is: 12,428.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,293.94 : 21,103.08 = 9,007.56 : x
  2. Step 2: Convert to fraction form
    15,293.94/21,103.08 = 9,007.56/x
  3. Step 3: Cross multiply
    15,293.94x = 21,103.08 × 9,007.56
  4. Step 4: Simplify right side
    15,293.94x = 190,087,259.28
  5. Step 5: Solve for x
    x = 190,087,259.28/15,293.94
  6. Step 6: Final answer
    x = 12,428.93

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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.