Home / 10,503.64-15,750.76-5,572.12

Finding the Fourth Proportional to 10,503.64, 15,750.76 and 5,572.12

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Solution

The fourth proportional to 10,503.64, 15,750.76 and 5,572.12 is: 8,355.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,503.64 : 15,750.76 = 5,572.12 : x
  2. Step 2: Convert to fraction form
    10,503.64/15,750.76 = 5,572.12/x
  3. Step 3: Cross multiply
    10,503.64x = 15,750.76 × 5,572.12
  4. Step 4: Simplify right side
    10,503.64x = 87,765,124.81
  5. Step 5: Solve for x
    x = 87,765,124.81/10,503.64
  6. Step 6: Final answer
    x = 8,355.69

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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.