Home / 17,947.80-26,921.70-9,653.40

Finding the Fourth Proportional to 17,947.80, 26,921.70 and 9,653.40

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Solution

The fourth proportional to 17,947.80, 26,921.70 and 9,653.40 is: 14,480.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,947.80 : 26,921.70 = 9,653.40 : x
  2. Step 2: Convert to fraction form
    17,947.80/26,921.70 = 9,653.40/x
  3. Step 3: Cross multiply
    17,947.80x = 26,921.70 × 9,653.40
  4. Step 4: Simplify right side
    17,947.80x = 259,885,938.78
  5. Step 5: Solve for x
    x = 259,885,938.78/17,947.80
  6. Step 6: Final answer
    x = 14,480.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.