Home / 18,999.80-28,502.77-5,852.17

Finding the Fourth Proportional to 18,999.80, 28,502.77 and 5,852.17

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Solution

The fourth proportional to 18,999.80, 28,502.77 and 5,852.17 is: 8,779.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,999.80 : 28,502.77 = 5,852.17 : x
  2. Step 2: Convert to fraction form
    18,999.80/28,502.77 = 5,852.17/x
  3. Step 3: Cross multiply
    18,999.80x = 28,502.77 × 5,852.17
  4. Step 4: Simplify right side
    18,999.80x = 166,803,055.51
  5. Step 5: Solve for x
    x = 166,803,055.51/18,999.80
  6. Step 6: Final answer
    x = 8,779.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.