Home / 14,947.44-20,605.92-10,457.28

Finding the Fourth Proportional to 14,947.44, 20,605.92 and 10,457.28

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Solution

The fourth proportional to 14,947.44, 20,605.92 and 10,457.28 is: 14,415.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,947.44 : 20,605.92 = 10,457.28 : x
  2. Step 2: Convert to fraction form
    14,947.44/20,605.92 = 10,457.28/x
  3. Step 3: Cross multiply
    14,947.44x = 20,605.92 × 10,457.28
  4. Step 4: Simplify right side
    14,947.44x = 215,481,875.10
  5. Step 5: Solve for x
    x = 215,481,875.10/14,947.44
  6. Step 6: Final answer
    x = 14,415.97

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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.