Home / 14,275.02-21,389.49-8,791.50

Finding the Fourth Proportional to 14,275.02, 21,389.49 and 8,791.50

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Solution

The fourth proportional to 14,275.02, 21,389.49 and 8,791.50 is: 13,173.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,275.02 : 21,389.49 = 8,791.50 : x
  2. Step 2: Convert to fraction form
    14,275.02/21,389.49 = 8,791.50/x
  3. Step 3: Cross multiply
    14,275.02x = 21,389.49 × 8,791.50
  4. Step 4: Simplify right side
    14,275.02x = 188,045,701.34
  5. Step 5: Solve for x
    x = 188,045,701.34/14,275.02
  6. Step 6: Final answer
    x = 13,173.06

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1.5x scale

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.