Home / 9,459.66-13,040.70-6,618.23

Finding the Fourth Proportional to 9,459.66, 13,040.70 and 6,618.23

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Solution

The fourth proportional to 9,459.66, 13,040.70 and 6,618.23 is: 9,123.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,459.66 : 13,040.70 = 6,618.23 : x
  2. Step 2: Convert to fraction form
    9,459.66/13,040.70 = 6,618.23/x
  3. Step 3: Cross multiply
    9,459.66x = 13,040.70 × 6,618.23
  4. Step 4: Simplify right side
    9,459.66x = 86,306,359.74
  5. Step 5: Solve for x
    x = 86,306,359.74/9,459.66
  6. Step 6: Final answer
    x = 9,123.62

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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.