Home / 19,070.43-28,611.86-9,210.84

Finding the Fourth Proportional to 19,070.43, 28,611.86 and 9,210.84

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Solution

The fourth proportional to 19,070.43, 28,611.86 and 9,210.84 is: 13,819.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,070.43 : 28,611.86 = 9,210.84 : x
  2. Step 2: Convert to fraction form
    19,070.43/28,611.86 = 9,210.84/x
  3. Step 3: Cross multiply
    19,070.43x = 28,611.86 × 9,210.84
  4. Step 4: Simplify right side
    19,070.43x = 263,539,218.51
  5. Step 5: Solve for x
    x = 263,539,218.51/19,070.43
  6. Step 6: Final answer
    x = 13,819.26

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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.