Home / 13,030.28-19,536.15-10,559.65

Finding the Fourth Proportional to 13,030.28, 19,536.15 and 10,559.65

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Solution

The fourth proportional to 13,030.28, 19,536.15 and 10,559.65 is: 15,831.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,030.28 : 19,536.15 = 10,559.65 : x
  2. Step 2: Convert to fraction form
    13,030.28/19,536.15 = 10,559.65/x
  3. Step 3: Cross multiply
    13,030.28x = 19,536.15 × 10,559.65
  4. Step 4: Simplify right side
    13,030.28x = 206,294,857.51
  5. Step 5: Solve for x
    x = 206,294,857.51/13,030.28
  6. Step 6: Final answer
    x = 15,831.96

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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.