Home / 10,215.60-15,337.80-8,026.80

Finding the Fourth Proportional to 10,215.60, 15,337.80 and 8,026.80

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Solution

The fourth proportional to 10,215.60, 15,337.80 and 8,026.80 is: 12,051.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,215.60 : 15,337.80 = 8,026.80 : x
  2. Step 2: Convert to fraction form
    10,215.60/15,337.80 = 8,026.80/x
  3. Step 3: Cross multiply
    10,215.60x = 15,337.80 × 8,026.80
  4. Step 4: Simplify right side
    10,215.60x = 123,113,453.04
  5. Step 5: Solve for x
    x = 123,113,453.04/10,215.60
  6. Step 6: Final answer
    x = 12,051.51

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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.