Home / 10,988.16-16,480.08-4,410.96

Finding the Fourth Proportional to 10,988.16, 16,480.08 and 4,410.96

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Solution

The fourth proportional to 10,988.16, 16,480.08 and 4,410.96 is: 6,615.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,988.16 : 16,480.08 = 4,410.96 : x
  2. Step 2: Convert to fraction form
    10,988.16/16,480.08 = 4,410.96/x
  3. Step 3: Cross multiply
    10,988.16x = 16,480.08 × 4,410.96
  4. Step 4: Simplify right side
    10,988.16x = 72,692,973.68
  5. Step 5: Solve for x
    x = 72,692,973.68/10,988.16
  6. Step 6: Final answer
    x = 6,615.57

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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.