Home / 14,754.40-20,339.68-10,555.36

Finding the Fourth Proportional to 14,754.40, 20,339.68 and 10,555.36

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Solution

The fourth proportional to 14,754.40, 20,339.68 and 10,555.36 is: 14,551.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,754.40 : 20,339.68 = 10,555.36 : x
  2. Step 2: Convert to fraction form
    14,754.40/20,339.68 = 10,555.36/x
  3. Step 3: Cross multiply
    14,754.40x = 20,339.68 × 10,555.36
  4. Step 4: Simplify right side
    14,754.40x = 214,692,644.68
  5. Step 5: Solve for x
    x = 214,692,644.68/14,754.40
  6. Step 6: Final answer
    x = 14,551.09

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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.