Home / 19,710.64-27,204.96-11,754.40

Finding the Fourth Proportional to 19,710.64, 27,204.96 and 11,754.40

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Solution

The fourth proportional to 19,710.64, 27,204.96 and 11,754.40 is: 16,223.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,710.64 : 27,204.96 = 11,754.40 : x
  2. Step 2: Convert to fraction form
    19,710.64/27,204.96 = 11,754.40/x
  3. Step 3: Cross multiply
    19,710.64x = 27,204.96 × 11,754.40
  4. Step 4: Simplify right side
    19,710.64x = 319,777,981.82
  5. Step 5: Solve for x
    x = 319,777,981.82/19,710.64
  6. Step 6: Final answer
    x = 16,223.62

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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.