Home / 14,445.50-19,927.40-9,418.14

Finding the Fourth Proportional to 14,445.50, 19,927.40 and 9,418.14

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Solution

The fourth proportional to 14,445.50, 19,927.40 and 9,418.14 is: 12,992.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,445.50 : 19,927.40 = 9,418.14 : x
  2. Step 2: Convert to fraction form
    14,445.50/19,927.40 = 9,418.14/x
  3. Step 3: Cross multiply
    14,445.50x = 19,927.40 × 9,418.14
  4. Step 4: Simplify right side
    14,445.50x = 187,678,995.95
  5. Step 5: Solve for x
    x = 187,678,995.95/14,445.50
  6. Step 6: Final answer
    x = 12,992.22

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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.