Home / 10,533.42-15,798.90-8,789.52

Finding the Fourth Proportional to 10,533.42, 15,798.90 and 8,789.52

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Solution

The fourth proportional to 10,533.42, 15,798.90 and 8,789.52 is: 13,183.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,533.42 : 15,798.90 = 8,789.52 : x
  2. Step 2: Convert to fraction form
    10,533.42/15,798.90 = 8,789.52/x
  3. Step 3: Cross multiply
    10,533.42x = 15,798.90 × 8,789.52
  4. Step 4: Simplify right side
    10,533.42x = 138,864,747.53
  5. Step 5: Solve for x
    x = 138,864,747.53/10,533.42
  6. Step 6: Final answer
    x = 13,183.25

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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.