Home / 14,360.32-19,816.95-8,072.70

Finding the Fourth Proportional to 14,360.32, 19,816.95 and 8,072.70

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Solution

The fourth proportional to 14,360.32, 19,816.95 and 8,072.70 is: 11,140.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,360.32 : 19,816.95 = 8,072.70 : x
  2. Step 2: Convert to fraction form
    14,360.32/19,816.95 = 8,072.70/x
  3. Step 3: Cross multiply
    14,360.32x = 19,816.95 × 8,072.70
  4. Step 4: Simplify right side
    14,360.32x = 159,976,292.27
  5. Step 5: Solve for x
    x = 159,976,292.27/14,360.32
  6. Step 6: Final answer
    x = 11,140.16

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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.