Home / 17,819.80-26,723.40-6,130.30

Finding the Fourth Proportional to 17,819.80, 26,723.40 and 6,130.30

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Solution

The fourth proportional to 17,819.80, 26,723.40 and 6,130.30 is: 9,193.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,819.80 : 26,723.40 = 6,130.30 : x
  2. Step 2: Convert to fraction form
    17,819.80/26,723.40 = 6,130.30/x
  3. Step 3: Cross multiply
    17,819.80x = 26,723.40 × 6,130.30
  4. Step 4: Simplify right side
    17,819.80x = 163,822,459.02
  5. Step 5: Solve for x
    x = 163,822,459.02/17,819.80
  6. Step 6: Final answer
    x = 9,193.28

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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.