Home / 16,869.81-23,289.24-10,904.87

Finding the Fourth Proportional to 16,869.81, 23,289.24 and 10,904.87

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Solution

The fourth proportional to 16,869.81, 23,289.24 and 10,904.87 is: 15,054.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,869.81 : 23,289.24 = 10,904.87 : x
  2. Step 2: Convert to fraction form
    16,869.81/23,289.24 = 10,904.87/x
  3. Step 3: Cross multiply
    16,869.81x = 23,289.24 × 10,904.87
  4. Step 4: Simplify right side
    16,869.81x = 253,966,134.60
  5. Step 5: Solve for x
    x = 253,966,134.60/16,869.81
  6. Step 6: Final answer
    x = 15,054.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.