Home / 21,927.40-30,259.74-12,497.56

Finding the Fourth Proportional to 21,927.40, 30,259.74 and 12,497.56

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Solution

The fourth proportional to 21,927.40, 30,259.74 and 12,497.56 is: 17,246.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,927.40 : 30,259.74 = 12,497.56 : x
  2. Step 2: Convert to fraction form
    21,927.40/30,259.74 = 12,497.56/x
  3. Step 3: Cross multiply
    21,927.40x = 30,259.74 × 12,497.56
  4. Step 4: Simplify right side
    21,927.40x = 378,172,916.23
  5. Step 5: Solve for x
    x = 378,172,916.23/21,927.40
  6. Step 6: Final answer
    x = 17,246.59

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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.