Home / 14,701.50-20,259.72-9,387.09

Finding the Fourth Proportional to 14,701.50, 20,259.72 and 9,387.09

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Solution

The fourth proportional to 14,701.50, 20,259.72 and 9,387.09 is: 12,936.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,701.50 : 20,259.72 = 9,387.09 : x
  2. Step 2: Convert to fraction form
    14,701.50/20,259.72 = 9,387.09/x
  3. Step 3: Cross multiply
    14,701.50x = 20,259.72 × 9,387.09
  4. Step 4: Simplify right side
    14,701.50x = 190,179,815.01
  5. Step 5: Solve for x
    x = 190,179,815.01/14,701.50
  6. Step 6: Final answer
    x = 12,936.08

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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.