Home / 14,113.85-19,491.03-11,124.95

Finding the Fourth Proportional to 14,113.85, 19,491.03 and 11,124.95

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Solution

The fourth proportional to 14,113.85, 19,491.03 and 11,124.95 is: 15,363.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,113.85 : 19,491.03 = 11,124.95 : x
  2. Step 2: Convert to fraction form
    14,113.85/19,491.03 = 11,124.95/x
  3. Step 3: Cross multiply
    14,113.85x = 19,491.03 × 11,124.95
  4. Step 4: Simplify right side
    14,113.85x = 216,836,636.74
  5. Step 5: Solve for x
    x = 216,836,636.74/14,113.85
  6. Step 6: Final answer
    x = 15,363.40

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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.