Home / 14,303.08-21,467.48-7,287.76

Finding the Fourth Proportional to 14,303.08, 21,467.48 and 7,287.76

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Solution

The fourth proportional to 14,303.08, 21,467.48 and 7,287.76 is: 10,938.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,303.08 : 21,467.48 = 7,287.76 : x
  2. Step 2: Convert to fraction form
    14,303.08/21,467.48 = 7,287.76/x
  3. Step 3: Cross multiply
    14,303.08x = 21,467.48 × 7,287.76
  4. Step 4: Simplify right side
    14,303.08x = 156,449,842.04
  5. Step 5: Solve for x
    x = 156,449,842.04/14,303.08
  6. Step 6: Final answer
    x = 10,938.19

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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.