Home / 14,280.54-21,421.43-4,420.01

Finding the Fourth Proportional to 14,280.54, 21,421.43 and 4,420.01

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Solution

The fourth proportional to 14,280.54, 21,421.43 and 4,420.01 is: 6,630.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,280.54 : 21,421.43 = 4,420.01 : x
  2. Step 2: Convert to fraction form
    14,280.54/21,421.43 = 4,420.01/x
  3. Step 3: Cross multiply
    14,280.54x = 21,421.43 × 4,420.01
  4. Step 4: Simplify right side
    14,280.54x = 94,682,805.61
  5. Step 5: Solve for x
    x = 94,682,805.61/14,280.54
  6. Step 6: Final answer
    x = 6,630.20

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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.