Home / 18,430.36-27,653.70-9,663.18

Finding the Fourth Proportional to 18,430.36, 27,653.70 and 9,663.18

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Solution

The fourth proportional to 18,430.36, 27,653.70 and 9,663.18 is: 14,499.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,430.36 : 27,653.70 = 9,663.18 : x
  2. Step 2: Convert to fraction form
    18,430.36/27,653.70 = 9,663.18/x
  3. Step 3: Cross multiply
    18,430.36x = 27,653.70 × 9,663.18
  4. Step 4: Simplify right side
    18,430.36x = 267,222,680.77
  5. Step 5: Solve for x
    x = 267,222,680.77/18,430.36
  6. Step 6: Final answer
    x = 14,499.05

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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.