Home / 18,895.79-26,076.68-10,398.13

Finding the Fourth Proportional to 18,895.79, 26,076.68 and 10,398.13

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Solution

The fourth proportional to 18,895.79, 26,076.68 and 10,398.13 is: 14,349.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,895.79 : 26,076.68 = 10,398.13 : x
  2. Step 2: Convert to fraction form
    18,895.79/26,076.68 = 10,398.13/x
  3. Step 3: Cross multiply
    18,895.79x = 26,076.68 × 10,398.13
  4. Step 4: Simplify right side
    18,895.79x = 271,148,708.61
  5. Step 5: Solve for x
    x = 271,148,708.61/18,895.79
  6. Step 6: Final answer
    x = 14,349.69

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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.