Home / 10,514.40-14,465.16-10,222.80

Finding the Fourth Proportional to 10,514.40, 14,465.16 and 10,222.80

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Solution

The fourth proportional to 10,514.40, 14,465.16 and 10,222.80 is: 14,063.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,514.40 : 14,465.16 = 10,222.80 : x
  2. Step 2: Convert to fraction form
    10,514.40/14,465.16 = 10,222.80/x
  3. Step 3: Cross multiply
    10,514.40x = 14,465.16 × 10,222.80
  4. Step 4: Simplify right side
    10,514.40x = 147,874,437.65
  5. Step 5: Solve for x
    x = 147,874,437.65/10,514.40
  6. Step 6: Final answer
    x = 14,063.99

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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.