Home / 15,554.07-21,464.63-8,480.52

Finding the Fourth Proportional to 15,554.07, 21,464.63 and 8,480.52

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Solution

The fourth proportional to 15,554.07, 21,464.63 and 8,480.52 is: 11,703.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,554.07 : 21,464.63 = 8,480.52 : x
  2. Step 2: Convert to fraction form
    15,554.07/21,464.63 = 8,480.52/x
  3. Step 3: Cross multiply
    15,554.07x = 21,464.63 × 8,480.52
  4. Step 4: Simplify right side
    15,554.07x = 182,031,181.61
  5. Step 5: Solve for x
    x = 182,031,181.61/15,554.07
  6. Step 6: Final answer
    x = 11,703.12

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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.