Home / 14,069.55-21,109.80-13,858.38

Finding the Fourth Proportional to 14,069.55, 21,109.80 and 13,858.38

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Solution

The fourth proportional to 14,069.55, 21,109.80 and 13,858.38 is: 20,792.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,069.55 : 21,109.80 = 13,858.38 : x
  2. Step 2: Convert to fraction form
    14,069.55/21,109.80 = 13,858.38/x
  3. Step 3: Cross multiply
    14,069.55x = 21,109.80 × 13,858.38
  4. Step 4: Simplify right side
    14,069.55x = 292,547,630.12
  5. Step 5: Solve for x
    x = 292,547,630.12/14,069.55
  6. Step 6: Final answer
    x = 20,792.96

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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.