Home / 14,743.48-20,363.70-10,758.28

Finding the Fourth Proportional to 14,743.48, 20,363.70 and 10,758.28

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Solution

The fourth proportional to 14,743.48, 20,363.70 and 10,758.28 is: 14,859.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,743.48 : 20,363.70 = 10,758.28 : x
  2. Step 2: Convert to fraction form
    14,743.48/20,363.70 = 10,758.28/x
  3. Step 3: Cross multiply
    14,743.48x = 20,363.70 × 10,758.28
  4. Step 4: Simplify right side
    14,743.48x = 219,078,386.44
  5. Step 5: Solve for x
    x = 219,078,386.44/14,743.48
  6. Step 6: Final answer
    x = 14,859.34

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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.