Home / 14,145.64-19,512.36-10,172.14

Finding the Fourth Proportional to 14,145.64, 19,512.36 and 10,172.14

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Solution

The fourth proportional to 14,145.64, 19,512.36 and 10,172.14 is: 14,031.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,145.64 : 19,512.36 = 10,172.14 : x
  2. Step 2: Convert to fraction form
    14,145.64/19,512.36 = 10,172.14/x
  3. Step 3: Cross multiply
    14,145.64x = 19,512.36 × 10,172.14
  4. Step 4: Simplify right side
    14,145.64x = 198,482,457.65
  5. Step 5: Solve for x
    x = 198,482,457.65/14,145.64
  6. Step 6: Final answer
    x = 14,031.35

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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.