Home / 11,330.08-15,618-9,230.56

Finding the Fourth Proportional to 11,330.08, 15,618 and 9,230.56

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Solution

The fourth proportional to 11,330.08, 15,618 and 9,230.56 is: 12,723.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,330.08 : 15,618 = 9,230.56 : x
  2. Step 2: Convert to fraction form
    11,330.08/15,618 = 9,230.56/x
  3. Step 3: Cross multiply
    11,330.08x = 15,618 × 9,230.56
  4. Step 4: Simplify right side
    11,330.08x = 144,162,886.08
  5. Step 5: Solve for x
    x = 144,162,886.08/11,330.08
  6. Step 6: Final answer
    x = 12,723.91

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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.