Home / 9,477.12-14,209.20-5,090.16

Finding the Fourth Proportional to 9,477.12, 14,209.20 and 5,090.16

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Solution

The fourth proportional to 9,477.12, 14,209.20 and 5,090.16 is: 7,631.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,477.12 : 14,209.20 = 5,090.16 : x
  2. Step 2: Convert to fraction form
    9,477.12/14,209.20 = 5,090.16/x
  3. Step 3: Cross multiply
    9,477.12x = 14,209.20 × 5,090.16
  4. Step 4: Simplify right side
    9,477.12x = 72,327,101.47
  5. Step 5: Solve for x
    x = 72,327,101.47/9,477.12
  6. Step 6: Final answer
    x = 7,631.76

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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.