Home / 14,740.80-22,111.20-4,880.40

Finding the Fourth Proportional to 14,740.80, 22,111.20 and 4,880.40

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Solution

The fourth proportional to 14,740.80, 22,111.20 and 4,880.40 is: 7,320.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,740.80 : 22,111.20 = 4,880.40 : x
  2. Step 2: Convert to fraction form
    14,740.80/22,111.20 = 4,880.40/x
  3. Step 3: Cross multiply
    14,740.80x = 22,111.20 × 4,880.40
  4. Step 4: Simplify right side
    14,740.80x = 107,911,500.48
  5. Step 5: Solve for x
    x = 107,911,500.48/14,740.80
  6. Step 6: Final answer
    x = 7,320.60

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.