Home / 19,554.72-29,291.52-12,959.76

Finding the Fourth Proportional to 19,554.72, 29,291.52 and 12,959.76

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Solution

The fourth proportional to 19,554.72, 29,291.52 and 12,959.76 is: 19,412.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,554.72 : 29,291.52 = 12,959.76 : x
  2. Step 2: Convert to fraction form
    19,554.72/29,291.52 = 12,959.76/x
  3. Step 3: Cross multiply
    19,554.72x = 29,291.52 × 12,959.76
  4. Step 4: Simplify right side
    19,554.72x = 379,611,069.24
  5. Step 5: Solve for x
    x = 379,611,069.24/19,554.72
  6. Step 6: Final answer
    x = 19,412.76

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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.