Home / 14,406.16-21,555.30-10,255.72

Finding the Fourth Proportional to 14,406.16, 21,555.30 and 10,255.72

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Solution

The fourth proportional to 14,406.16, 21,555.30 and 10,255.72 is: 15,345.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,406.16 : 21,555.30 = 10,255.72 : x
  2. Step 2: Convert to fraction form
    14,406.16/21,555.30 = 10,255.72/x
  3. Step 3: Cross multiply
    14,406.16x = 21,555.30 × 10,255.72
  4. Step 4: Simplify right side
    14,406.16x = 221,065,121.32
  5. Step 5: Solve for x
    x = 221,065,121.32/14,406.16
  6. Step 6: Final answer
    x = 15,345.18

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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.