Home / 10,603.26-14,638.85-6,629.76

Finding the Fourth Proportional to 10,603.26, 14,638.85 and 6,629.76

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Solution

The fourth proportional to 10,603.26, 14,638.85 and 6,629.76 is: 9,153.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,603.26 : 14,638.85 = 6,629.76 : x
  2. Step 2: Convert to fraction form
    10,603.26/14,638.85 = 6,629.76/x
  3. Step 3: Cross multiply
    10,603.26x = 14,638.85 × 6,629.76
  4. Step 4: Simplify right side
    10,603.26x = 97,052,062.18
  5. Step 5: Solve for x
    x = 97,052,062.18/10,603.26
  6. Step 6: Final answer
    x = 9,153.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.