Home / 13,344.32-19,998.59-10,386.33

Finding the Fourth Proportional to 13,344.32, 19,998.59 and 10,386.33

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Solution

The fourth proportional to 13,344.32, 19,998.59 and 10,386.33 is: 15,565.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,344.32 : 19,998.59 = 10,386.33 : x
  2. Step 2: Convert to fraction form
    13,344.32/19,998.59 = 10,386.33/x
  3. Step 3: Cross multiply
    13,344.32x = 19,998.59 × 10,386.33
  4. Step 4: Simplify right side
    13,344.32x = 207,711,903.34
  5. Step 5: Solve for x
    x = 207,711,903.34/13,344.32
  6. Step 6: Final answer
    x = 15,565.57

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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.