Home / 18,904.91-26,088.86-10,407.88

Finding the Fourth Proportional to 18,904.91, 26,088.86 and 10,407.88

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Solution

The fourth proportional to 18,904.91, 26,088.86 and 10,407.88 is: 14,362.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,904.91 : 26,088.86 = 10,407.88 : x
  2. Step 2: Convert to fraction form
    18,904.91/26,088.86 = 10,407.88/x
  3. Step 3: Cross multiply
    18,904.91x = 26,088.86 × 10,407.88
  4. Step 4: Simplify right side
    18,904.91x = 271,529,724.22
  5. Step 5: Solve for x
    x = 271,529,724.22/18,904.91
  6. Step 6: Final answer
    x = 14,362.92

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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.