Home / 14,079.30-21,103.69-9,152.48

Finding the Fourth Proportional to 14,079.30, 21,103.69 and 9,152.48

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Solution

The fourth proportional to 14,079.30, 21,103.69 and 9,152.48 is: 13,718.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,079.30 : 21,103.69 = 9,152.48 : x
  2. Step 2: Convert to fraction form
    14,079.30/21,103.69 = 9,152.48/x
  3. Step 3: Cross multiply
    14,079.30x = 21,103.69 × 9,152.48
  4. Step 4: Simplify right side
    14,079.30x = 193,151,100.65
  5. Step 5: Solve for x
    x = 193,151,100.65/14,079.30
  6. Step 6: Final answer
    x = 13,718.80

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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.