Home / 15,685.44-23,533.56-7,887.84

Finding the Fourth Proportional to 15,685.44, 23,533.56 and 7,887.84

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Solution

The fourth proportional to 15,685.44, 23,533.56 and 7,887.84 is: 11,834.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,685.44 : 23,533.56 = 7,887.84 : x
  2. Step 2: Convert to fraction form
    15,685.44/23,533.56 = 7,887.84/x
  3. Step 3: Cross multiply
    15,685.44x = 23,533.56 × 7,887.84
  4. Step 4: Simplify right side
    15,685.44x = 185,628,955.91
  5. Step 5: Solve for x
    x = 185,628,955.91/15,685.44
  6. Step 6: Final answer
    x = 11,834.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.