Home / 14,478.86-21,696.42-10,763.66

Finding the Fourth Proportional to 14,478.86, 21,696.42 and 10,763.66

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Solution

The fourth proportional to 14,478.86, 21,696.42 and 10,763.66 is: 16,129.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,478.86 : 21,696.42 = 10,763.66 : x
  2. Step 2: Convert to fraction form
    14,478.86/21,696.42 = 10,763.66/x
  3. Step 3: Cross multiply
    14,478.86x = 21,696.42 × 10,763.66
  4. Step 4: Simplify right side
    14,478.86x = 233,532,888.10
  5. Step 5: Solve for x
    x = 233,532,888.10/14,478.86
  6. Step 6: Final answer
    x = 16,129.23

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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.