Home / 14,418.18-19,897.40-8,045.21

Finding the Fourth Proportional to 14,418.18, 19,897.40 and 8,045.21

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Solution

The fourth proportional to 14,418.18, 19,897.40 and 8,045.21 is: 11,102.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,418.18 : 19,897.40 = 8,045.21 : x
  2. Step 2: Convert to fraction form
    14,418.18/19,897.40 = 8,045.21/x
  3. Step 3: Cross multiply
    14,418.18x = 19,897.40 × 8,045.21
  4. Step 4: Simplify right side
    14,418.18x = 160,078,621.74
  5. Step 5: Solve for x
    x = 160,078,621.74/14,418.18
  6. Step 6: Final answer
    x = 11,102.55

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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.