Home / 13,436.27-20,156.23-4,670.05

Finding the Fourth Proportional to 13,436.27, 20,156.23 and 4,670.05

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Solution

The fourth proportional to 13,436.27, 20,156.23 and 4,670.05 is: 7,005.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,436.27 : 20,156.23 = 4,670.05 : x
  2. Step 2: Convert to fraction form
    13,436.27/20,156.23 = 4,670.05/x
  3. Step 3: Cross multiply
    13,436.27x = 20,156.23 × 4,670.05
  4. Step 4: Simplify right side
    13,436.27x = 94,130,539.85
  5. Step 5: Solve for x
    x = 94,130,539.85/13,436.27
  6. Step 6: Final answer
    x = 7,005.70

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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.