Home / 18,877.60-28,316.49-5,730.04

Finding the Fourth Proportional to 18,877.60, 28,316.49 and 5,730.04

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Solution

The fourth proportional to 18,877.60, 28,316.49 and 5,730.04 is: 8,595.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,877.60 : 28,316.49 = 5,730.04 : x
  2. Step 2: Convert to fraction form
    18,877.60/28,316.49 = 5,730.04/x
  3. Step 3: Cross multiply
    18,877.60x = 28,316.49 × 5,730.04
  4. Step 4: Simplify right side
    18,877.60x = 162,254,620.36
  5. Step 5: Solve for x
    x = 162,254,620.36/18,877.60
  6. Step 6: Final answer
    x = 8,595.09

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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.