Home / 9,980.48-14,973.96-4,785.68

Finding the Fourth Proportional to 9,980.48, 14,973.96 and 4,785.68

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Solution

The fourth proportional to 9,980.48, 14,973.96 and 4,785.68 is: 7,180.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,980.48 : 14,973.96 = 4,785.68 : x
  2. Step 2: Convert to fraction form
    9,980.48/14,973.96 = 4,785.68/x
  3. Step 3: Cross multiply
    9,980.48x = 14,973.96 × 4,785.68
  4. Step 4: Simplify right side
    9,980.48x = 71,660,580.89
  5. Step 5: Solve for x
    x = 71,660,580.89/9,980.48
  6. Step 6: Final answer
    x = 7,180.07

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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.