Home / 16,718.13-23,070.33-9,999.79

Finding the Fourth Proportional to 16,718.13, 23,070.33 and 9,999.79

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Solution

The fourth proportional to 16,718.13, 23,070.33 and 9,999.79 is: 13,799.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,718.13 : 23,070.33 = 9,999.79 : x
  2. Step 2: Convert to fraction form
    16,718.13/23,070.33 = 9,999.79/x
  3. Step 3: Cross multiply
    16,718.13x = 23,070.33 × 9,999.79
  4. Step 4: Simplify right side
    16,718.13x = 230,698,455.23
  5. Step 5: Solve for x
    x = 230,698,455.23/16,718.13
  6. Step 6: Final answer
    x = 13,799.30

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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.