Home / 9,429.51-13,014.87-6,242.92

Finding the Fourth Proportional to 9,429.51, 13,014.87 and 6,242.92

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Solution

The fourth proportional to 9,429.51, 13,014.87 and 6,242.92 is: 8,616.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,429.51 : 13,014.87 = 6,242.92 : x
  2. Step 2: Convert to fraction form
    9,429.51/13,014.87 = 6,242.92/x
  3. Step 3: Cross multiply
    9,429.51x = 13,014.87 × 6,242.92
  4. Step 4: Simplify right side
    9,429.51x = 81,250,792.22
  5. Step 5: Solve for x
    x = 81,250,792.22/9,429.51
  6. Step 6: Final answer
    x = 8,616.65

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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.