Home / 13,010.16-19,513.68-6,429.60

Finding the Fourth Proportional to 13,010.16, 19,513.68 and 6,429.60

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Solution

The fourth proportional to 13,010.16, 19,513.68 and 6,429.60 is: 9,643.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,010.16 : 19,513.68 = 6,429.60 : x
  2. Step 2: Convert to fraction form
    13,010.16/19,513.68 = 6,429.60/x
  3. Step 3: Cross multiply
    13,010.16x = 19,513.68 × 6,429.60
  4. Step 4: Simplify right side
    13,010.16x = 125,465,156.93
  5. Step 5: Solve for x
    x = 125,465,156.93/13,010.16
  6. Step 6: Final answer
    x = 9,643.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.