Home / 14,304.16-21,449.58-5,421.19

Finding the Fourth Proportional to 14,304.16, 21,449.58 and 5,421.19

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Solution

The fourth proportional to 14,304.16, 21,449.58 and 5,421.19 is: 8,129.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,304.16 : 21,449.58 = 5,421.19 : x
  2. Step 2: Convert to fraction form
    14,304.16/21,449.58 = 5,421.19/x
  3. Step 3: Cross multiply
    14,304.16x = 21,449.58 × 5,421.19
  4. Step 4: Simplify right side
    14,304.16x = 116,282,248.60
  5. Step 5: Solve for x
    x = 116,282,248.60/14,304.16
  6. Step 6: Final answer
    x = 8,129.26

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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.