Home / 9,603.19-13,256.05-6,461.20

Finding the Fourth Proportional to 9,603.19, 13,256.05 and 6,461.20

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Solution

The fourth proportional to 9,603.19, 13,256.05 and 6,461.20 is: 8,918.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,603.19 : 13,256.05 = 6,461.20 : x
  2. Step 2: Convert to fraction form
    9,603.19/13,256.05 = 6,461.20/x
  3. Step 3: Cross multiply
    9,603.19x = 13,256.05 × 6,461.20
  4. Step 4: Simplify right side
    9,603.19x = 85,649,940.97
  5. Step 5: Solve for x
    x = 85,649,940.97/9,603.19
  6. Step 6: Final answer
    x = 8,918.91

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Half scale
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Double scale
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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.