Home / 14,190.48-21,271.32-6,784.08

Finding the Fourth Proportional to 14,190.48, 21,271.32 and 6,784.08

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Solution

The fourth proportional to 14,190.48, 21,271.32 and 6,784.08 is: 10,169.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,190.48 : 21,271.32 = 6,784.08 : x
  2. Step 2: Convert to fraction form
    14,190.48/21,271.32 = 6,784.08/x
  3. Step 3: Cross multiply
    14,190.48x = 21,271.32 × 6,784.08
  4. Step 4: Simplify right side
    14,190.48x = 144,306,336.59
  5. Step 5: Solve for x
    x = 144,306,336.59/14,190.48
  6. Step 6: Final answer
    x = 10,169.24

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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.