Home / 13,498.94-20,254.56-6,929.74

Finding the Fourth Proportional to 13,498.94, 20,254.56 and 6,929.74

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Solution

The fourth proportional to 13,498.94, 20,254.56 and 6,929.74 is: 10,397.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,498.94 : 20,254.56 = 6,929.74 : x
  2. Step 2: Convert to fraction form
    13,498.94/20,254.56 = 6,929.74/x
  3. Step 3: Cross multiply
    13,498.94x = 20,254.56 × 6,929.74
  4. Step 4: Simplify right side
    13,498.94x = 140,358,834.61
  5. Step 5: Solve for x
    x = 140,358,834.61/13,498.94
  6. Step 6: Final answer
    x = 10,397.77

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.