Home / 14,012.48-19,340.52-8,047.28

Finding the Fourth Proportional to 14,012.48, 19,340.52 and 8,047.28

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Solution

The fourth proportional to 14,012.48, 19,340.52 and 8,047.28 is: 11,107.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,012.48 : 19,340.52 = 8,047.28 : x
  2. Step 2: Convert to fraction form
    14,012.48/19,340.52 = 8,047.28/x
  3. Step 3: Cross multiply
    14,012.48x = 19,340.52 × 8,047.28
  4. Step 4: Simplify right side
    14,012.48x = 155,638,579.79
  5. Step 5: Solve for x
    x = 155,638,579.79/14,012.48
  6. Step 6: Final answer
    x = 11,107.14

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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.