Home / 9,487.36-13,088.48-5,505.60

Finding the Fourth Proportional to 9,487.36, 13,088.48 and 5,505.60

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Solution

The fourth proportional to 9,487.36, 13,088.48 and 5,505.60 is: 7,595.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,487.36 : 13,088.48 = 5,505.60 : x
  2. Step 2: Convert to fraction form
    9,487.36/13,088.48 = 5,505.60/x
  3. Step 3: Cross multiply
    9,487.36x = 13,088.48 × 5,505.60
  4. Step 4: Simplify right side
    9,487.36x = 72,059,935.49
  5. Step 5: Solve for x
    x = 72,059,935.49/9,487.36
  6. Step 6: Final answer
    x = 7,595.36

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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.