Home / 19,080.12-28,620.18-8,703.48

Finding the Fourth Proportional to 19,080.12, 28,620.18 and 8,703.48

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Solution

The fourth proportional to 19,080.12, 28,620.18 and 8,703.48 is: 13,055.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,080.12 : 28,620.18 = 8,703.48 : x
  2. Step 2: Convert to fraction form
    19,080.12/28,620.18 = 8,703.48/x
  3. Step 3: Cross multiply
    19,080.12x = 28,620.18 × 8,703.48
  4. Step 4: Simplify right side
    19,080.12x = 249,095,164.23
  5. Step 5: Solve for x
    x = 249,095,164.23/19,080.12
  6. Step 6: Final answer
    x = 13,055.22

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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.