Home / 14,420.23-21,630.85-7,398.34

Finding the Fourth Proportional to 14,420.23, 21,630.85 and 7,398.34

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Solution

The fourth proportional to 14,420.23, 21,630.85 and 7,398.34 is: 11,097.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,420.23 : 21,630.85 = 7,398.34 : x
  2. Step 2: Convert to fraction form
    14,420.23/21,630.85 = 7,398.34/x
  3. Step 3: Cross multiply
    14,420.23x = 21,630.85 × 7,398.34
  4. Step 4: Simplify right side
    14,420.23x = 160,032,310.22
  5. Step 5: Solve for x
    x = 160,032,310.22/14,420.23
  6. Step 6: Final answer
    x = 11,097.77

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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.