Home / 14,283.48-19,713.06-7,997.88

Finding the Fourth Proportional to 14,283.48, 19,713.06 and 7,997.88

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Solution

The fourth proportional to 14,283.48, 19,713.06 and 7,997.88 is: 11,038.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,283.48 : 19,713.06 = 7,997.88 : x
  2. Step 2: Convert to fraction form
    14,283.48/19,713.06 = 7,997.88/x
  3. Step 3: Cross multiply
    14,283.48x = 19,713.06 × 7,997.88
  4. Step 4: Simplify right side
    14,283.48x = 157,662,688.31
  5. Step 5: Solve for x
    x = 157,662,688.31/14,283.48
  6. Step 6: Final answer
    x = 11,038.11

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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.