Home / 18,087.07-27,130.35-10,973

Finding the Fourth Proportional to 18,087.07, 27,130.35 and 10,973

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Solution

The fourth proportional to 18,087.07, 27,130.35 and 10,973 is: 16,459.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,087.07 : 27,130.35 = 10,973 : x
  2. Step 2: Convert to fraction form
    18,087.07/27,130.35 = 10,973/x
  3. Step 3: Cross multiply
    18,087.07x = 27,130.35 × 10,973
  4. Step 4: Simplify right side
    18,087.07x = 297,701,275.69
  5. Step 5: Solve for x
    x = 297,701,275.69/18,087.07
  6. Step 6: Final answer
    x = 16,459.34

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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.