Home / 18,984.69-28,465.34-13,068.77

Finding the Fourth Proportional to 18,984.69, 28,465.34 and 13,068.77

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Solution

The fourth proportional to 18,984.69, 28,465.34 and 13,068.77 is: 19,595.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,984.69 : 28,465.34 = 13,068.77 : x
  2. Step 2: Convert to fraction form
    18,984.69/28,465.34 = 13,068.77/x
  3. Step 3: Cross multiply
    18,984.69x = 28,465.34 × 13,068.77
  4. Step 4: Simplify right side
    18,984.69x = 372,006,773.76
  5. Step 5: Solve for x
    x = 372,006,773.76/18,984.69
  6. Step 6: Final answer
    x = 19,595.09

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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.