Home / 12,464.40-17,200.56-6,875.28

Finding the Fourth Proportional to 12,464.40, 17,200.56 and 6,875.28

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Solution

The fourth proportional to 12,464.40, 17,200.56 and 6,875.28 is: 9,487.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,464.40 : 17,200.56 = 6,875.28 : x
  2. Step 2: Convert to fraction form
    12,464.40/17,200.56 = 6,875.28/x
  3. Step 3: Cross multiply
    12,464.40x = 17,200.56 × 6,875.28
  4. Step 4: Simplify right side
    12,464.40x = 118,258,666.16
  5. Step 5: Solve for x
    x = 118,258,666.16/12,464.40
  6. Step 6: Final answer
    x = 9,487.71

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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.