Home / 13,114.80-19,655.79-10,330.46

Finding the Fourth Proportional to 13,114.80, 19,655.79 and 10,330.46

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Solution

The fourth proportional to 13,114.80, 19,655.79 and 10,330.46 is: 15,482.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,114.80 : 19,655.79 = 10,330.46 : x
  2. Step 2: Convert to fraction form
    13,114.80/19,655.79 = 10,330.46/x
  3. Step 3: Cross multiply
    13,114.80x = 19,655.79 × 10,330.46
  4. Step 4: Simplify right side
    13,114.80x = 203,053,254.08
  5. Step 5: Solve for x
    x = 203,053,254.08/13,114.80
  6. Step 6: Final answer
    x = 15,482.76

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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.