Home / 15,262.68-21,059.70-8,548.40

Finding the Fourth Proportional to 15,262.68, 21,059.70 and 8,548.40

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Solution

The fourth proportional to 15,262.68, 21,059.70 and 8,548.40 is: 11,795.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,262.68 : 21,059.70 = 8,548.40 : x
  2. Step 2: Convert to fraction form
    15,262.68/21,059.70 = 8,548.40/x
  3. Step 3: Cross multiply
    15,262.68x = 21,059.70 × 8,548.40
  4. Step 4: Simplify right side
    15,262.68x = 180,026,739.48
  5. Step 5: Solve for x
    x = 180,026,739.48/15,262.68
  6. Step 6: Final answer
    x = 11,795.22

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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.