Home / 18,280.09-27,421.15-5,133.52

Finding the Fourth Proportional to 18,280.09, 27,421.15 and 5,133.52

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Solution

The fourth proportional to 18,280.09, 27,421.15 and 5,133.52 is: 7,700.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,280.09 : 27,421.15 = 5,133.52 : x
  2. Step 2: Convert to fraction form
    18,280.09/27,421.15 = 5,133.52/x
  3. Step 3: Cross multiply
    18,280.09x = 27,421.15 × 5,133.52
  4. Step 4: Simplify right side
    18,280.09x = 140,767,021.95
  5. Step 5: Solve for x
    x = 140,767,021.95/18,280.09
  6. Step 6: Final answer
    x = 7,700.57

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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.