Home / 13,955.12-19,253.31-8,648.00

Finding the Fourth Proportional to 13,955.12, 19,253.31 and 8,648.00

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Solution

The fourth proportional to 13,955.12, 19,253.31 and 8,648.00 is: 11,931.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,955.12 : 19,253.31 = 8,648.00 : x
  2. Step 2: Convert to fraction form
    13,955.12/19,253.31 = 8,648.00/x
  3. Step 3: Cross multiply
    13,955.12x = 19,253.31 × 8,648.00
  4. Step 4: Simplify right side
    13,955.12x = 166,502,640.58
  5. Step 5: Solve for x
    x = 166,502,640.58/13,955.12
  6. Step 6: Final answer
    x = 11,931.29

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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.