Home / 13,250.80-19,857.52-10,465.20

Finding the Fourth Proportional to 13,250.80, 19,857.52 and 10,465.20

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Solution

The fourth proportional to 13,250.80, 19,857.52 and 10,465.20 is: 15,683.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,250.80 : 19,857.52 = 10,465.20 : x
  2. Step 2: Convert to fraction form
    13,250.80/19,857.52 = 10,465.20/x
  3. Step 3: Cross multiply
    13,250.80x = 19,857.52 × 10,465.20
  4. Step 4: Simplify right side
    13,250.80x = 207,812,918.30
  5. Step 5: Solve for x
    x = 207,812,918.30/13,250.80
  6. Step 6: Final answer
    x = 15,683.05

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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.