Home / 12,528.68-17,250.18-10,178.60

Finding the Fourth Proportional to 12,528.68, 17,250.18 and 10,178.60

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Solution

The fourth proportional to 12,528.68, 17,250.18 and 10,178.60 is: 14,014.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,528.68 : 17,250.18 = 10,178.60 : x
  2. Step 2: Convert to fraction form
    12,528.68/17,250.18 = 10,178.60/x
  3. Step 3: Cross multiply
    12,528.68x = 17,250.18 × 10,178.60
  4. Step 4: Simplify right side
    12,528.68x = 175,582,682.15
  5. Step 5: Solve for x
    x = 175,582,682.15/12,528.68
  6. Step 6: Final answer
    x = 14,014.46

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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.