Home / 21,647.04-32,457.42-8,483.64

Finding the Fourth Proportional to 21,647.04, 32,457.42 and 8,483.64

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Solution

The fourth proportional to 21,647.04, 32,457.42 and 8,483.64 is: 12,720.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,647.04 : 32,457.42 = 8,483.64 : x
  2. Step 2: Convert to fraction form
    21,647.04/32,457.42 = 8,483.64/x
  3. Step 3: Cross multiply
    21,647.04x = 32,457.42 × 8,483.64
  4. Step 4: Simplify right side
    21,647.04x = 275,357,066.61
  5. Step 5: Solve for x
    x = 275,357,066.61/21,647.04
  6. Step 6: Final answer
    x = 12,720.31

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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.