Home / 10,452.54-15,670.59-7,155.64

Finding the Fourth Proportional to 10,452.54, 15,670.59 and 7,155.64

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Solution

The fourth proportional to 10,452.54, 15,670.59 and 7,155.64 is: 10,727.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,452.54 : 15,670.59 = 7,155.64 : x
  2. Step 2: Convert to fraction form
    10,452.54/15,670.59 = 7,155.64/x
  3. Step 3: Cross multiply
    10,452.54x = 15,670.59 × 7,155.64
  4. Step 4: Simplify right side
    10,452.54x = 112,133,100.63
  5. Step 5: Solve for x
    x = 112,133,100.63/10,452.54
  6. Step 6: Final answer
    x = 10,727.83

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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.