Home / 14,970.77-22,415.97-8,378.18

Finding the Fourth Proportional to 14,970.77, 22,415.97 and 8,378.18

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Solution

The fourth proportional to 14,970.77, 22,415.97 and 8,378.18 is: 12,544.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,970.77 : 22,415.97 = 8,378.18 : x
  2. Step 2: Convert to fraction form
    14,970.77/22,415.97 = 8,378.18/x
  3. Step 3: Cross multiply
    14,970.77x = 22,415.97 × 8,378.18
  4. Step 4: Simplify right side
    14,970.77x = 187,805,031.53
  5. Step 5: Solve for x
    x = 187,805,031.53/14,970.77
  6. Step 6: Final answer
    x = 12,544.78

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1.5x scale

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.