Home / 19,062.98-28,613.84-9,210.55

Finding the Fourth Proportional to 19,062.98, 28,613.84 and 9,210.55

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Solution

The fourth proportional to 19,062.98, 28,613.84 and 9,210.55 is: 13,825.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,062.98 : 28,613.84 = 9,210.55 : x
  2. Step 2: Convert to fraction form
    19,062.98/28,613.84 = 9,210.55/x
  3. Step 3: Cross multiply
    19,062.98x = 28,613.84 × 9,210.55
  4. Step 4: Simplify right side
    19,062.98x = 263,549,204.01
  5. Step 5: Solve for x
    x = 263,549,204.01/19,062.98
  6. Step 6: Final answer
    x = 13,825.18

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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.