Home / 14,306.81-21,460.82-5,421.24

Finding the Fourth Proportional to 14,306.81, 21,460.82 and 5,421.24

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Solution

The fourth proportional to 14,306.81, 21,460.82 and 5,421.24 is: 8,132.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,306.81 : 21,460.82 = 5,421.24 : x
  2. Step 2: Convert to fraction form
    14,306.81/21,460.82 = 5,421.24/x
  3. Step 3: Cross multiply
    14,306.81x = 21,460.82 × 5,421.24
  4. Step 4: Simplify right side
    14,306.81x = 116,344,228.71
  5. Step 5: Solve for x
    x = 116,344,228.71/14,306.81
  6. Step 6: Final answer
    x = 8,132.09

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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.