Home / 9,671.08-13,347.30-5,480.68

Finding the Fourth Proportional to 9,671.08, 13,347.30 and 5,480.68

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Solution

The fourth proportional to 9,671.08, 13,347.30 and 5,480.68 is: 7,564.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,671.08 : 13,347.30 = 5,480.68 : x
  2. Step 2: Convert to fraction form
    9,671.08/13,347.30 = 5,480.68/x
  3. Step 3: Cross multiply
    9,671.08x = 13,347.30 × 5,480.68
  4. Step 4: Simplify right side
    9,671.08x = 73,152,280.16
  5. Step 5: Solve for x
    x = 73,152,280.16/9,671.08
  6. Step 6: Final answer
    x = 7,564.02

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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.