Home / 15,986.81-22,052.75-10,008.09

Finding the Fourth Proportional to 15,986.81, 22,052.75 and 10,008.09

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Solution

The fourth proportional to 15,986.81, 22,052.75 and 10,008.09 is: 13,805.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,986.81 : 22,052.75 = 10,008.09 : x
  2. Step 2: Convert to fraction form
    15,986.81/22,052.75 = 10,008.09/x
  3. Step 3: Cross multiply
    15,986.81x = 22,052.75 × 10,008.09
  4. Step 4: Simplify right side
    15,986.81x = 220,705,856.71
  5. Step 5: Solve for x
    x = 220,705,856.71/15,986.81
  6. Step 6: Final answer
    x = 13,805.50

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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.