Home / 14,437.98-19,921.02-8,772.56

Finding the Fourth Proportional to 14,437.98, 19,921.02 and 8,772.56

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Solution

The fourth proportional to 14,437.98, 19,921.02 and 8,772.56 is: 12,104.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,437.98 : 19,921.02 = 8,772.56 : x
  2. Step 2: Convert to fraction form
    14,437.98/19,921.02 = 8,772.56/x
  3. Step 3: Cross multiply
    14,437.98x = 19,921.02 × 8,772.56
  4. Step 4: Simplify right side
    14,437.98x = 174,758,343.21
  5. Step 5: Solve for x
    x = 174,758,343.21/14,437.98
  6. Step 6: Final answer
    x = 12,104.07

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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.