Home / 14,283.20-19,710.60-7,995.80

Finding the Fourth Proportional to 14,283.20, 19,710.60 and 7,995.80

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Solution

The fourth proportional to 14,283.20, 19,710.60 and 7,995.80 is: 11,034.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,283.20 : 19,710.60 = 7,995.80 : x
  2. Step 2: Convert to fraction form
    14,283.20/19,710.60 = 7,995.80/x
  3. Step 3: Cross multiply
    14,283.20x = 19,710.60 × 7,995.80
  4. Step 4: Simplify right side
    14,283.20x = 157,602,015.48
  5. Step 5: Solve for x
    x = 157,602,015.48/14,283.20
  6. Step 6: Final answer
    x = 11,034.08

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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.