Home / 17,905.07-24,708.31-9,947.23

Finding the Fourth Proportional to 17,905.07, 24,708.31 and 9,947.23

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Solution

The fourth proportional to 17,905.07, 24,708.31 and 9,947.23 is: 13,726.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,905.07 : 24,708.31 = 9,947.23 : x
  2. Step 2: Convert to fraction form
    17,905.07/24,708.31 = 9,947.23/x
  3. Step 3: Cross multiply
    17,905.07x = 24,708.31 × 9,947.23
  4. Step 4: Simplify right side
    17,905.07x = 245,779,155.84
  5. Step 5: Solve for x
    x = 245,779,155.84/17,905.07
  6. Step 6: Final answer
    x = 13,726.79

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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.