Home / 14,287.25-21,430.08-4,426.24

Finding the Fourth Proportional to 14,287.25, 21,430.08 and 4,426.24

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Solution

The fourth proportional to 14,287.25, 21,430.08 and 4,426.24 is: 6,639.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,287.25 : 21,430.08 = 4,426.24 : x
  2. Step 2: Convert to fraction form
    14,287.25/21,430.08 = 4,426.24/x
  3. Step 3: Cross multiply
    14,287.25x = 21,430.08 × 4,426.24
  4. Step 4: Simplify right side
    14,287.25x = 94,854,623.72
  5. Step 5: Solve for x
    x = 94,854,623.72/14,287.25
  6. Step 6: Final answer
    x = 6,639.11

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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.