Home / 15,747.72-21,710.06-11,263.64

Finding the Fourth Proportional to 15,747.72, 21,710.06 and 11,263.64

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Solution

The fourth proportional to 15,747.72, 21,710.06 and 11,263.64 is: 15,528.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,747.72 : 21,710.06 = 11,263.64 : x
  2. Step 2: Convert to fraction form
    15,747.72/21,710.06 = 11,263.64/x
  3. Step 3: Cross multiply
    15,747.72x = 21,710.06 × 11,263.64
  4. Step 4: Simplify right side
    15,747.72x = 244,534,300.22
  5. Step 5: Solve for x
    x = 244,534,300.22/15,747.72
  6. Step 6: Final answer
    x = 15,528.24

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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.