Home / 13,369.78-20,053.45-10,482.94

Finding the Fourth Proportional to 13,369.78, 20,053.45 and 10,482.94

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Solution

The fourth proportional to 13,369.78, 20,053.45 and 10,482.94 is: 15,723.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,369.78 : 20,053.45 = 10,482.94 : x
  2. Step 2: Convert to fraction form
    13,369.78/20,053.45 = 10,482.94/x
  3. Step 3: Cross multiply
    13,369.78x = 20,053.45 × 10,482.94
  4. Step 4: Simplify right side
    13,369.78x = 210,219,113.14
  5. Step 5: Solve for x
    x = 210,219,113.14/13,369.78
  6. Step 6: Final answer
    x = 15,723.45

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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.