Home / 18,308.17-27,430.91-9,994.03

Finding the Fourth Proportional to 18,308.17, 27,430.91 and 9,994.03

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Solution

The fourth proportional to 18,308.17, 27,430.91 and 9,994.03 is: 14,973.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,308.17 : 27,430.91 = 9,994.03 : x
  2. Step 2: Convert to fraction form
    18,308.17/27,430.91 = 9,994.03/x
  3. Step 3: Cross multiply
    18,308.17x = 27,430.91 × 9,994.03
  4. Step 4: Simplify right side
    18,308.17x = 274,145,337.47
  5. Step 5: Solve for x
    x = 274,145,337.47/18,308.17
  6. Step 6: Final answer
    x = 14,973.93

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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.