Home / 14,514.93-21,782.11-5,280.93

Finding the Fourth Proportional to 14,514.93, 21,782.11 and 5,280.93

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Solution

The fourth proportional to 14,514.93, 21,782.11 and 5,280.93 is: 7,924.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,514.93 : 21,782.11 = 5,280.93 : x
  2. Step 2: Convert to fraction form
    14,514.93/21,782.11 = 5,280.93/x
  3. Step 3: Cross multiply
    14,514.93x = 21,782.11 × 5,280.93
  4. Step 4: Simplify right side
    14,514.93x = 115,029,798.16
  5. Step 5: Solve for x
    x = 115,029,798.16/14,514.93
  6. Step 6: Final answer
    x = 7,924.93

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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.