Home / 9,478.95-14,220.77-4,283.43

Finding the Fourth Proportional to 9,478.95, 14,220.77 and 4,283.43

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Solution

The fourth proportional to 9,478.95, 14,220.77 and 4,283.43 is: 6,426.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,478.95 : 14,220.77 = 4,283.43 : x
  2. Step 2: Convert to fraction form
    9,478.95/14,220.77 = 4,283.43/x
  3. Step 3: Cross multiply
    9,478.95x = 14,220.77 × 4,283.43
  4. Step 4: Simplify right side
    9,478.95x = 60,913,651.42
  5. Step 5: Solve for x
    x = 60,913,651.42/9,478.95
  6. Step 6: Final answer
    x = 6,426.20

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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.