Home / 15,563.52-21,473.64-9,271.44

Finding the Fourth Proportional to 15,563.52, 21,473.64 and 9,271.44

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Solution

The fourth proportional to 15,563.52, 21,473.64 and 9,271.44 is: 12,792.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,563.52 : 21,473.64 = 9,271.44 : x
  2. Step 2: Convert to fraction form
    15,563.52/21,473.64 = 9,271.44/x
  3. Step 3: Cross multiply
    15,563.52x = 21,473.64 × 9,271.44
  4. Step 4: Simplify right side
    15,563.52x = 199,091,564.84
  5. Step 5: Solve for x
    x = 199,091,564.84/15,563.52
  6. Step 6: Final answer
    x = 12,792.19

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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.