Home / 12,529.89-17,291.43-6,864.51

Finding the Fourth Proportional to 12,529.89, 17,291.43 and 6,864.51

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Solution

The fourth proportional to 12,529.89, 17,291.43 and 6,864.51 is: 9,473.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,529.89 : 17,291.43 = 6,864.51 : x
  2. Step 2: Convert to fraction form
    12,529.89/17,291.43 = 6,864.51/x
  3. Step 3: Cross multiply
    12,529.89x = 17,291.43 × 6,864.51
  4. Step 4: Simplify right side
    12,529.89x = 118,697,194.15
  5. Step 5: Solve for x
    x = 118,697,194.15/12,529.89
  6. Step 6: Final answer
    x = 9,473.12

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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.