Home / 14,979.93-20,671.54-9,010.45

Finding the Fourth Proportional to 14,979.93, 20,671.54 and 9,010.45

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Solution

The fourth proportional to 14,979.93, 20,671.54 and 9,010.45 is: 12,433.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,979.93 : 20,671.54 = 9,010.45 : x
  2. Step 2: Convert to fraction form
    14,979.93/20,671.54 = 9,010.45/x
  3. Step 3: Cross multiply
    14,979.93x = 20,671.54 × 9,010.45
  4. Step 4: Simplify right side
    14,979.93x = 186,259,877.59
  5. Step 5: Solve for x
    x = 186,259,877.59/14,979.93
  6. Step 6: Final answer
    x = 12,433.96

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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.