Home / 13,295.42-19,945.02-4,531.76

Finding the Fourth Proportional to 13,295.42, 19,945.02 and 4,531.76

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Solution

The fourth proportional to 13,295.42, 19,945.02 and 4,531.76 is: 6,798.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,295.42 : 19,945.02 = 4,531.76 : x
  2. Step 2: Convert to fraction form
    13,295.42/19,945.02 = 4,531.76/x
  3. Step 3: Cross multiply
    13,295.42x = 19,945.02 × 4,531.76
  4. Step 4: Simplify right side
    13,295.42x = 90,386,043.84
  5. Step 5: Solve for x
    x = 90,386,043.84/13,295.42
  6. Step 6: Final answer
    x = 6,798.28

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.