Home / 9,518.85-14,281.92-3,970.62

Finding the Fourth Proportional to 9,518.85, 14,281.92 and 3,970.62

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Solution

The fourth proportional to 9,518.85, 14,281.92 and 3,970.62 is: 5,957.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,518.85 : 14,281.92 = 3,970.62 : x
  2. Step 2: Convert to fraction form
    9,518.85/14,281.92 = 3,970.62/x
  3. Step 3: Cross multiply
    9,518.85x = 14,281.92 × 3,970.62
  4. Step 4: Simplify right side
    9,518.85x = 56,708,077.19
  5. Step 5: Solve for x
    x = 56,708,077.19/9,518.85
  6. Step 6: Final answer
    x = 5,957.45

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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.