Home / 10,127.55-15,167.84-9,777.14

Finding the Fourth Proportional to 10,127.55, 15,167.84 and 9,777.14

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Solution

The fourth proportional to 10,127.55, 15,167.84 and 9,777.14 is: 14,643.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,127.55 : 15,167.84 = 9,777.14 : x
  2. Step 2: Convert to fraction form
    10,127.55/15,167.84 = 9,777.14/x
  3. Step 3: Cross multiply
    10,127.55x = 15,167.84 × 9,777.14
  4. Step 4: Simplify right side
    10,127.55x = 148,297,970.45
  5. Step 5: Solve for x
    x = 148,297,970.45/10,127.55
  6. Step 6: Final answer
    x = 14,643.03

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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.