Home / 18,881.54-26,056.76-10,384.59

Finding the Fourth Proportional to 18,881.54, 26,056.76 and 10,384.59

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Solution

The fourth proportional to 18,881.54, 26,056.76 and 10,384.59 is: 14,330.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,881.54 : 26,056.76 = 10,384.59 : x
  2. Step 2: Convert to fraction form
    18,881.54/26,056.76 = 10,384.59/x
  3. Step 3: Cross multiply
    18,881.54x = 26,056.76 × 10,384.59
  4. Step 4: Simplify right side
    18,881.54x = 270,588,717.41
  5. Step 5: Solve for x
    x = 270,588,717.41/18,881.54
  6. Step 6: Final answer
    x = 14,330.86

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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.