Home / 12,582.56-17,342.16-9,433.28

Finding the Fourth Proportional to 12,582.56, 17,342.16 and 9,433.28

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Solution

The fourth proportional to 12,582.56, 17,342.16 and 9,433.28 is: 13,001.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,582.56 : 17,342.16 = 9,433.28 : x
  2. Step 2: Convert to fraction form
    12,582.56/17,342.16 = 9,433.28/x
  3. Step 3: Cross multiply
    12,582.56x = 17,342.16 × 9,433.28
  4. Step 4: Simplify right side
    12,582.56x = 163,593,451.08
  5. Step 5: Solve for x
    x = 163,593,451.08/12,582.56
  6. Step 6: Final answer
    x = 13,001.60

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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.