Home / 14,699.43-20,284.45-7,985.05

Finding the Fourth Proportional to 14,699.43, 20,284.45 and 7,985.05

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Solution

The fourth proportional to 14,699.43, 20,284.45 and 7,985.05 is: 11,018.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,699.43 : 20,284.45 = 7,985.05 : x
  2. Step 2: Convert to fraction form
    14,699.43/20,284.45 = 7,985.05/x
  3. Step 3: Cross multiply
    14,699.43x = 20,284.45 × 7,985.05
  4. Step 4: Simplify right side
    14,699.43x = 161,972,347.47
  5. Step 5: Solve for x
    x = 161,972,347.47/14,699.43
  6. Step 6: Final answer
    x = 11,018.95

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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.