Home / 9,921.47-14,885.64-6,603.04

Finding the Fourth Proportional to 9,921.47, 14,885.64 and 6,603.04

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Solution

The fourth proportional to 9,921.47, 14,885.64 and 6,603.04 is: 9,906.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,921.47 : 14,885.64 = 6,603.04 : x
  2. Step 2: Convert to fraction form
    9,921.47/14,885.64 = 6,603.04/x
  3. Step 3: Cross multiply
    9,921.47x = 14,885.64 × 6,603.04
  4. Step 4: Simplify right side
    9,921.47x = 98,290,401.92
  5. Step 5: Solve for x
    x = 98,290,401.92/9,921.47
  6. Step 6: Final answer
    x = 9,906.84

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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.