Home / 9,513.65-13,127.95-6,441.26

Finding the Fourth Proportional to 9,513.65, 13,127.95 and 6,441.26

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Solution

The fourth proportional to 9,513.65, 13,127.95 and 6,441.26 is: 8,888.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,513.65 : 13,127.95 = 6,441.26 : x
  2. Step 2: Convert to fraction form
    9,513.65/13,127.95 = 6,441.26/x
  3. Step 3: Cross multiply
    9,513.65x = 13,127.95 × 6,441.26
  4. Step 4: Simplify right side
    9,513.65x = 84,560,473.58
  5. Step 5: Solve for x
    x = 84,560,473.58/9,513.65
  6. Step 6: Final answer
    x = 8,888.33

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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.