Home / 15,362.58-21,209.40-14,476.86

Finding the Fourth Proportional to 15,362.58, 21,209.40 and 14,476.86

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Solution

The fourth proportional to 15,362.58, 21,209.40 and 14,476.86 is: 19,986.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,362.58 : 21,209.40 = 14,476.86 : x
  2. Step 2: Convert to fraction form
    15,362.58/21,209.40 = 14,476.86/x
  3. Step 3: Cross multiply
    15,362.58x = 21,209.40 × 14,476.86
  4. Step 4: Simplify right side
    15,362.58x = 307,045,514.48
  5. Step 5: Solve for x
    x = 307,045,514.48/15,362.58
  6. Step 6: Final answer
    x = 19,986.59

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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.