Home / 21,748.48-32,615.88-9,268.24

Finding the Fourth Proportional to 21,748.48, 32,615.88 and 9,268.24

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Solution

The fourth proportional to 21,748.48, 32,615.88 and 9,268.24 is: 13,899.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,748.48 : 32,615.88 = 9,268.24 : x
  2. Step 2: Convert to fraction form
    21,748.48/32,615.88 = 9,268.24/x
  3. Step 3: Cross multiply
    21,748.48x = 32,615.88 × 9,268.24
  4. Step 4: Simplify right side
    21,748.48x = 302,291,803.65
  5. Step 5: Solve for x
    x = 302,291,803.65/21,748.48
  6. Step 6: Final answer
    x = 13,899.45

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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.