Home / 15,132.99-22,633.10-13,478.77

Finding the Fourth Proportional to 15,132.99, 22,633.10 and 13,478.77

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Solution

The fourth proportional to 15,132.99, 22,633.10 and 13,478.77 is: 20,159.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,132.99 : 22,633.10 = 13,478.77 : x
  2. Step 2: Convert to fraction form
    15,132.99/22,633.10 = 13,478.77/x
  3. Step 3: Cross multiply
    15,132.99x = 22,633.10 × 13,478.77
  4. Step 4: Simplify right side
    15,132.99x = 305,066,349.29
  5. Step 5: Solve for x
    x = 305,066,349.29/15,132.99
  6. Step 6: Final answer
    x = 20,159.03

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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.