Home / 21,634.32-32,454.80-9,154.40

Finding the Fourth Proportional to 21,634.32, 32,454.80 and 9,154.40

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Solution

The fourth proportional to 21,634.32, 32,454.80 and 9,154.40 is: 13,733.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,634.32 : 32,454.80 = 9,154.40 : x
  2. Step 2: Convert to fraction form
    21,634.32/32,454.80 = 9,154.40/x
  3. Step 3: Cross multiply
    21,634.32x = 32,454.80 × 9,154.40
  4. Step 4: Simplify right side
    21,634.32x = 297,104,221.12
  5. Step 5: Solve for x
    x = 297,104,221.12/21,634.32
  6. Step 6: Final answer
    x = 13,733.00

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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.