Home / 14,306.24-21,455.20-5,539.20

Finding the Fourth Proportional to 14,306.24, 21,455.20 and 5,539.20

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Solution

The fourth proportional to 14,306.24, 21,455.20 and 5,539.20 is: 8,307.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,306.24 : 21,455.20 = 5,539.20 : x
  2. Step 2: Convert to fraction form
    14,306.24/21,455.20 = 5,539.20/x
  3. Step 3: Cross multiply
    14,306.24x = 21,455.20 × 5,539.20
  4. Step 4: Simplify right side
    14,306.24x = 118,844,643.84
  5. Step 5: Solve for x
    x = 118,844,643.84/14,306.24
  6. Step 6: Final answer
    x = 8,307.19

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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.