Home / 14,970.33-20,641.98-11,187.14

Finding the Fourth Proportional to 14,970.33, 20,641.98 and 11,187.14

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Solution

The fourth proportional to 14,970.33, 20,641.98 and 11,187.14 is: 15,425.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,970.33 : 20,641.98 = 11,187.14 : x
  2. Step 2: Convert to fraction form
    14,970.33/20,641.98 = 11,187.14/x
  3. Step 3: Cross multiply
    14,970.33x = 20,641.98 × 11,187.14
  4. Step 4: Simplify right side
    14,970.33x = 230,924,616.93
  5. Step 5: Solve for x
    x = 230,924,616.93/14,970.33
  6. Step 6: Final answer
    x = 15,425.49

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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.