Home / 18,904.90-26,088.87-10,407.88

Finding the Fourth Proportional to 18,904.90, 26,088.87 and 10,407.88

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Solution

The fourth proportional to 18,904.90, 26,088.87 and 10,407.88 is: 14,362.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,904.90 : 26,088.87 = 10,407.88 : x
  2. Step 2: Convert to fraction form
    18,904.90/26,088.87 = 10,407.88/x
  3. Step 3: Cross multiply
    18,904.90x = 26,088.87 × 10,407.88
  4. Step 4: Simplify right side
    18,904.90x = 271,529,828.30
  5. Step 5: Solve for x
    x = 271,529,828.30/18,904.90
  6. Step 6: Final answer
    x = 14,362.93

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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.