Home / 14,281.80-21,424.74-4,421.84

Finding the Fourth Proportional to 14,281.80, 21,424.74 and 4,421.84

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Solution

The fourth proportional to 14,281.80, 21,424.74 and 4,421.84 is: 6,633.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,281.80 : 21,424.74 = 4,421.84 : x
  2. Step 2: Convert to fraction form
    14,281.80/21,424.74 = 4,421.84/x
  3. Step 3: Cross multiply
    14,281.80x = 21,424.74 × 4,421.84
  4. Step 4: Simplify right side
    14,281.80x = 94,736,772.32
  5. Step 5: Solve for x
    x = 94,736,772.32/14,281.80
  6. Step 6: Final answer
    x = 6,633.39

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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.