Home / 14,519.24-20,031.36-9,213.20

Finding the Fourth Proportional to 14,519.24, 20,031.36 and 9,213.20

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Solution

The fourth proportional to 14,519.24, 20,031.36 and 9,213.20 is: 12,710.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,519.24 : 20,031.36 = 9,213.20 : x
  2. Step 2: Convert to fraction form
    14,519.24/20,031.36 = 9,213.20/x
  3. Step 3: Cross multiply
    14,519.24x = 20,031.36 × 9,213.20
  4. Step 4: Simplify right side
    14,519.24x = 184,552,925.95
  5. Step 5: Solve for x
    x = 184,552,925.95/14,519.24
  6. Step 6: Final answer
    x = 12,710.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.