Home / 15,188.54-20,944.85-10,152.77

Finding the Fourth Proportional to 15,188.54, 20,944.85 and 10,152.77

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Solution

The fourth proportional to 15,188.54, 20,944.85 and 10,152.77 is: 14,000.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,188.54 : 20,944.85 = 10,152.77 : x
  2. Step 2: Convert to fraction form
    15,188.54/20,944.85 = 10,152.77/x
  3. Step 3: Cross multiply
    15,188.54x = 20,944.85 × 10,152.77
  4. Step 4: Simplify right side
    15,188.54x = 212,648,089.25
  5. Step 5: Solve for x
    x = 212,648,089.25/15,188.54
  6. Step 6: Final answer
    x = 14,000.57

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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.