Home / 15,253.41-21,050.64-8,539.46

Finding the Fourth Proportional to 15,253.41, 21,050.64 and 8,539.46

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Solution

The fourth proportional to 15,253.41, 21,050.64 and 8,539.46 is: 11,784.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,253.41 : 21,050.64 = 8,539.46 : x
  2. Step 2: Convert to fraction form
    15,253.41/21,050.64 = 8,539.46/x
  3. Step 3: Cross multiply
    15,253.41x = 21,050.64 × 8,539.46
  4. Step 4: Simplify right side
    15,253.41x = 179,761,098.25
  5. Step 5: Solve for x
    x = 179,761,098.25/15,253.41
  6. Step 6: Final answer
    x = 11,784.98

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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.