Home / 18,430.98-27,654.64-9,663.81

Finding the Fourth Proportional to 18,430.98, 27,654.64 and 9,663.81

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Solution

The fourth proportional to 18,430.98, 27,654.64 and 9,663.81 is: 14,500.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,430.98 : 27,654.64 = 9,663.81 : x
  2. Step 2: Convert to fraction form
    18,430.98/27,654.64 = 9,663.81/x
  3. Step 3: Cross multiply
    18,430.98x = 27,654.64 × 9,663.81
  4. Step 4: Simplify right side
    18,430.98x = 267,249,162.42
  5. Step 5: Solve for x
    x = 267,249,162.42/18,430.98
  6. Step 6: Final answer
    x = 14,500.00

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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.