Home / 18,904.99-26,088.67-10,406.92

Finding the Fourth Proportional to 18,904.99, 26,088.67 and 10,406.92

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Solution

The fourth proportional to 18,904.99, 26,088.67 and 10,406.92 is: 14,361.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,904.99 : 26,088.67 = 10,406.92 : x
  2. Step 2: Convert to fraction form
    18,904.99/26,088.67 = 10,406.92/x
  3. Step 3: Cross multiply
    18,904.99x = 26,088.67 × 10,406.92
  4. Step 4: Simplify right side
    18,904.99x = 271,502,701.60
  5. Step 5: Solve for x
    x = 271,502,701.60/18,904.99
  6. Step 6: Final answer
    x = 14,361.43

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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.