Home / 14,319.02-19,760-8,031.26

Finding the Fourth Proportional to 14,319.02, 19,760 and 8,031.26

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Solution

The fourth proportional to 14,319.02, 19,760 and 8,031.26 is: 11,083.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,319.02 : 19,760 = 8,031.26 : x
  2. Step 2: Convert to fraction form
    14,319.02/19,760 = 8,031.26/x
  3. Step 3: Cross multiply
    14,319.02x = 19,760 × 8,031.26
  4. Step 4: Simplify right side
    14,319.02x = 158,697,697.60
  5. Step 5: Solve for x
    x = 158,697,697.60/14,319.02
  6. Step 6: Final answer
    x = 11,083.00

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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.