Home / 16,718.10-23,070.12-9,644.06

Finding the Fourth Proportional to 16,718.10, 23,070.12 and 9,644.06

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Solution

The fourth proportional to 16,718.10, 23,070.12 and 9,644.06 is: 13,308.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,718.10 : 23,070.12 = 9,644.06 : x
  2. Step 2: Convert to fraction form
    16,718.10/23,070.12 = 9,644.06/x
  3. Step 3: Cross multiply
    16,718.10x = 23,070.12 × 9,644.06
  4. Step 4: Simplify right side
    16,718.10x = 222,489,643.00
  5. Step 5: Solve for x
    x = 222,489,643.00/16,718.10
  6. Step 6: Final answer
    x = 13,308.31

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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.