Home / 20,397.08-30,590.05-5,602.48

Finding the Fourth Proportional to 20,397.08, 30,590.05 and 5,602.48

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Solution

The fourth proportional to 20,397.08, 30,590.05 and 5,602.48 is: 8,402.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,397.08 : 30,590.05 = 5,602.48 : x
  2. Step 2: Convert to fraction form
    20,397.08/30,590.05 = 5,602.48/x
  3. Step 3: Cross multiply
    20,397.08x = 30,590.05 × 5,602.48
  4. Step 4: Simplify right side
    20,397.08x = 171,379,962.36
  5. Step 5: Solve for x
    x = 171,379,962.36/20,397.08
  6. Step 6: Final answer
    x = 8,402.18

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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.