Home / 12,509.04-18,768.42-4,613.16

Finding the Fourth Proportional to 12,509.04, 18,768.42 and 4,613.16

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Solution

The fourth proportional to 12,509.04, 18,768.42 and 4,613.16 is: 6,921.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,509.04 : 18,768.42 = 4,613.16 : x
  2. Step 2: Convert to fraction form
    12,509.04/18,768.42 = 4,613.16/x
  3. Step 3: Cross multiply
    12,509.04x = 18,768.42 × 4,613.16
  4. Step 4: Simplify right side
    12,509.04x = 86,581,724.41
  5. Step 5: Solve for x
    x = 86,581,724.41/12,509.04
  6. Step 6: Final answer
    x = 6,921.53

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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.