Home / 14,219.52-21,330.48-4,859.16

Finding the Fourth Proportional to 14,219.52, 21,330.48 and 4,859.16

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Solution

The fourth proportional to 14,219.52, 21,330.48 and 4,859.16 is: 7,289.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,219.52 : 21,330.48 = 4,859.16 : x
  2. Step 2: Convert to fraction form
    14,219.52/21,330.48 = 4,859.16/x
  3. Step 3: Cross multiply
    14,219.52x = 21,330.48 × 4,859.16
  4. Step 4: Simplify right side
    14,219.52x = 103,648,215.20
  5. Step 5: Solve for x
    x = 103,648,215.20/14,219.52
  6. Step 6: Final answer
    x = 7,289.15

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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.