Home / 15,524.96-21,412.88-9,854.78

Finding the Fourth Proportional to 15,524.96, 21,412.88 and 9,854.78

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Solution

The fourth proportional to 15,524.96, 21,412.88 and 9,854.78 is: 13,592.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,524.96 : 21,412.88 = 9,854.78 : x
  2. Step 2: Convert to fraction form
    15,524.96/21,412.88 = 9,854.78/x
  3. Step 3: Cross multiply
    15,524.96x = 21,412.88 × 9,854.78
  4. Step 4: Simplify right side
    15,524.96x = 211,019,065.23
  5. Step 5: Solve for x
    x = 211,019,065.23/15,524.96
  6. Step 6: Final answer
    x = 13,592.25

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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.