Home / 15,274.39-21,072.65-9,528.50

Finding the Fourth Proportional to 15,274.39, 21,072.65 and 9,528.50

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Solution

The fourth proportional to 15,274.39, 21,072.65 and 9,528.50 is: 13,145.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,274.39 : 21,072.65 = 9,528.50 : x
  2. Step 2: Convert to fraction form
    15,274.39/21,072.65 = 9,528.50/x
  3. Step 3: Cross multiply
    15,274.39x = 21,072.65 × 9,528.50
  4. Step 4: Simplify right side
    15,274.39x = 200,790,788.82
  5. Step 5: Solve for x
    x = 200,790,788.82/15,274.39
  6. Step 6: Final answer
    x = 13,145.58

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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.