Home / 14,048.02-19,386.30-7,760.80

Finding the Fourth Proportional to 14,048.02, 19,386.30 and 7,760.80

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Solution

The fourth proportional to 14,048.02, 19,386.30 and 7,760.80 is: 10,709.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,048.02 : 19,386.30 = 7,760.80 : x
  2. Step 2: Convert to fraction form
    14,048.02/19,386.30 = 7,760.80/x
  3. Step 3: Cross multiply
    14,048.02x = 19,386.30 × 7,760.80
  4. Step 4: Simplify right side
    14,048.02x = 150,453,197.04
  5. Step 5: Solve for x
    x = 150,453,197.04/14,048.02
  6. Step 6: Final answer
    x = 10,709.92

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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.