Home / 21,441.15-32,172.70-10,209.19

Finding the Fourth Proportional to 21,441.15, 32,172.70 and 10,209.19

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Solution

The fourth proportional to 21,441.15, 32,172.70 and 10,209.19 is: 15,319.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,441.15 : 32,172.70 = 10,209.19 : x
  2. Step 2: Convert to fraction form
    21,441.15/32,172.70 = 10,209.19/x
  3. Step 3: Cross multiply
    21,441.15x = 32,172.70 × 10,209.19
  4. Step 4: Simplify right side
    21,441.15x = 328,457,207.11
  5. Step 5: Solve for x
    x = 328,457,207.11/21,441.15
  6. Step 6: Final answer
    x = 15,319.01

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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.