Home / 15,606.40-21,536.86-8,532.84

Finding the Fourth Proportional to 15,606.40, 21,536.86 and 8,532.84

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Solution

The fourth proportional to 15,606.40, 21,536.86 and 8,532.84 is: 11,775.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,606.40 : 21,536.86 = 8,532.84 : x
  2. Step 2: Convert to fraction form
    15,606.40/21,536.86 = 8,532.84/x
  3. Step 3: Cross multiply
    15,606.40x = 21,536.86 × 8,532.84
  4. Step 4: Simplify right side
    15,606.40x = 183,770,580.48
  5. Step 5: Solve for x
    x = 183,770,580.48/15,606.40
  6. Step 6: Final answer
    x = 11,775.33

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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.