Home / 14,437.02-19,917.18-9,722.82

Finding the Fourth Proportional to 14,437.02, 19,917.18 and 9,722.82

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Solution

The fourth proportional to 14,437.02, 19,917.18 and 9,722.82 is: 13,413.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,437.02 : 19,917.18 = 9,722.82 : x
  2. Step 2: Convert to fraction form
    14,437.02/19,917.18 = 9,722.82/x
  3. Step 3: Cross multiply
    14,437.02x = 19,917.18 × 9,722.82
  4. Step 4: Simplify right side
    14,437.02x = 193,651,156.05
  5. Step 5: Solve for x
    x = 193,651,156.05/14,437.02
  6. Step 6: Final answer
    x = 13,413.51

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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.