Home / 15,459.02-21,333.44-8,744.50

Finding the Fourth Proportional to 15,459.02, 21,333.44 and 8,744.50

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Solution

The fourth proportional to 15,459.02, 21,333.44 and 8,744.50 is: 12,067.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,459.02 : 21,333.44 = 8,744.50 : x
  2. Step 2: Convert to fraction form
    15,459.02/21,333.44 = 8,744.50/x
  3. Step 3: Cross multiply
    15,459.02x = 21,333.44 × 8,744.50
  4. Step 4: Simplify right side
    15,459.02x = 186,550,266.08
  5. Step 5: Solve for x
    x = 186,550,266.08/15,459.02
  6. Step 6: Final answer
    x = 12,067.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.