Home / 10,985.06-16,477.20-3,087.64

Finding the Fourth Proportional to 10,985.06, 16,477.20 and 3,087.64

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Solution

The fourth proportional to 10,985.06, 16,477.20 and 3,087.64 is: 4,631.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,985.06 : 16,477.20 = 3,087.64 : x
  2. Step 2: Convert to fraction form
    10,985.06/16,477.20 = 3,087.64/x
  3. Step 3: Cross multiply
    10,985.06x = 16,477.20 × 3,087.64
  4. Step 4: Simplify right side
    10,985.06x = 50,875,661.81
  5. Step 5: Solve for x
    x = 50,875,661.81/10,985.06
  6. Step 6: Final answer
    x = 4,631.35

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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.