Home / 10,500.42-15,750.66-7,203.52

Finding the Fourth Proportional to 10,500.42, 15,750.66 and 7,203.52

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Solution

The fourth proportional to 10,500.42, 15,750.66 and 7,203.52 is: 10,805.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,500.42 : 15,750.66 = 7,203.52 : x
  2. Step 2: Convert to fraction form
    10,500.42/15,750.66 = 7,203.52/x
  3. Step 3: Cross multiply
    10,500.42x = 15,750.66 × 7,203.52
  4. Step 4: Simplify right side
    10,500.42x = 113,460,194.32
  5. Step 5: Solve for x
    x = 113,460,194.32/10,500.42
  6. Step 6: Final answer
    x = 10,805.30

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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.