Home / 13,041.09-19,561.59-9,162.81

Finding the Fourth Proportional to 13,041.09, 19,561.59 and 9,162.81

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Solution

The fourth proportional to 13,041.09, 19,561.59 and 9,162.81 is: 13,744.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,041.09 : 19,561.59 = 9,162.81 : x
  2. Step 2: Convert to fraction form
    13,041.09/19,561.59 = 9,162.81/x
  3. Step 3: Cross multiply
    13,041.09x = 19,561.59 × 9,162.81
  4. Step 4: Simplify right side
    13,041.09x = 179,239,132.47
  5. Step 5: Solve for x
    x = 179,239,132.47/13,041.09
  6. Step 6: Final answer
    x = 13,744.18

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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.