Home / 13,200.39-19,762.29-10,269.81

Finding the Fourth Proportional to 13,200.39, 19,762.29 and 10,269.81

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Solution

The fourth proportional to 13,200.39, 19,762.29 and 10,269.81 is: 15,374.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,200.39 : 19,762.29 = 10,269.81 : x
  2. Step 2: Convert to fraction form
    13,200.39/19,762.29 = 10,269.81/x
  3. Step 3: Cross multiply
    13,200.39x = 19,762.29 × 10,269.81
  4. Step 4: Simplify right side
    13,200.39x = 202,954,963.46
  5. Step 5: Solve for x
    x = 202,954,963.46/13,200.39
  6. Step 6: Final answer
    x = 15,374.92

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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.