Home / 15,145.12-22,716.76-5,655.62

Finding the Fourth Proportional to 15,145.12, 22,716.76 and 5,655.62

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Solution

The fourth proportional to 15,145.12, 22,716.76 and 5,655.62 is: 8,483.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,145.12 : 22,716.76 = 5,655.62 : x
  2. Step 2: Convert to fraction form
    15,145.12/22,716.76 = 5,655.62/x
  3. Step 3: Cross multiply
    15,145.12x = 22,716.76 × 5,655.62
  4. Step 4: Simplify right side
    15,145.12x = 128,477,362.19
  5. Step 5: Solve for x
    x = 128,477,362.19/15,145.12
  6. Step 6: Final answer
    x = 8,483.09

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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.