Home / 10,192.90-15,297.65-5,263.98

Finding the Fourth Proportional to 10,192.90, 15,297.65 and 5,263.98

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Solution

The fourth proportional to 10,192.90, 15,297.65 and 5,263.98 is: 7,900.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,192.90 : 15,297.65 = 5,263.98 : x
  2. Step 2: Convert to fraction form
    10,192.90/15,297.65 = 5,263.98/x
  3. Step 3: Cross multiply
    10,192.90x = 15,297.65 × 5,263.98
  4. Step 4: Simplify right side
    10,192.90x = 80,526,459.08
  5. Step 5: Solve for x
    x = 80,526,459.08/10,192.90
  6. Step 6: Final answer
    x = 7,900.25

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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.