Home / 19,738.30-27,237.69-10,784.02

Finding the Fourth Proportional to 19,738.30, 27,237.69 and 10,784.02

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Solution

The fourth proportional to 19,738.30, 27,237.69 and 10,784.02 is: 14,881.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,738.30 : 27,237.69 = 10,784.02 : x
  2. Step 2: Convert to fraction form
    19,738.30/27,237.69 = 10,784.02/x
  3. Step 3: Cross multiply
    19,738.30x = 27,237.69 × 10,784.02
  4. Step 4: Simplify right side
    19,738.30x = 293,731,793.71
  5. Step 5: Solve for x
    x = 293,731,793.71/19,738.30
  6. Step 6: Final answer
    x = 14,881.31

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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.