Home / 18,088-24,971.68-13,664.32

Finding the Fourth Proportional to 18,088, 24,971.68 and 13,664.32

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Solution

The fourth proportional to 18,088, 24,971.68 and 13,664.32 is: 18,864.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,088 : 24,971.68 = 13,664.32 : x
  2. Step 2: Convert to fraction form
    18,088/24,971.68 = 13,664.32/x
  3. Step 3: Cross multiply
    18,088x = 24,971.68 × 13,664.32
  4. Step 4: Simplify right side
    18,088x = 341,221,026.46
  5. Step 5: Solve for x
    x = 341,221,026.46/18,088
  6. Step 6: Final answer
    x = 18,864.50

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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.