Home / 14,770.69-20,420.00-14,151.04

Finding the Fourth Proportional to 14,770.69, 20,420.00 and 14,151.04

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Solution

The fourth proportional to 14,770.69, 20,420.00 and 14,151.04 is: 19,563.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,770.69 : 20,420.00 = 14,151.04 : x
  2. Step 2: Convert to fraction form
    14,770.69/20,420.00 = 14,151.04/x
  3. Step 3: Cross multiply
    14,770.69x = 20,420.00 × 14,151.04
  4. Step 4: Simplify right side
    14,770.69x = 288,964,168.06
  5. Step 5: Solve for x
    x = 288,964,168.06/14,770.69
  6. Step 6: Final answer
    x = 19,563.35

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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.