Home / 10,505.25-15,746.90-5,573.52

Finding the Fourth Proportional to 10,505.25, 15,746.90 and 5,573.52

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Solution

The fourth proportional to 10,505.25, 15,746.90 and 5,573.52 is: 8,354.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,505.25 : 15,746.90 = 5,573.52 : x
  2. Step 2: Convert to fraction form
    10,505.25/15,746.90 = 5,573.52/x
  3. Step 3: Cross multiply
    10,505.25x = 15,746.90 × 5,573.52
  4. Step 4: Simplify right side
    10,505.25x = 87,765,634.22
  5. Step 5: Solve for x
    x = 87,765,634.22/10,505.25
  6. Step 6: Final answer
    x = 8,354.45

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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.