Home / 13,066.71-19,574.54-10,439.68

Finding the Fourth Proportional to 13,066.71, 19,574.54 and 10,439.68

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Solution

The fourth proportional to 13,066.71, 19,574.54 and 10,439.68 is: 15,639.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,066.71 : 19,574.54 = 10,439.68 : x
  2. Step 2: Convert to fraction form
    13,066.71/19,574.54 = 10,439.68/x
  3. Step 3: Cross multiply
    13,066.71x = 19,574.54 × 10,439.68
  4. Step 4: Simplify right side
    13,066.71x = 204,351,835.87
  5. Step 5: Solve for x
    x = 204,351,835.87/13,066.71
  6. Step 6: Final answer
    x = 15,639.13

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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.