Home / 13,437.77-20,156.70-4,077.87

Finding the Fourth Proportional to 13,437.77, 20,156.70 and 4,077.87

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Solution

The fourth proportional to 13,437.77, 20,156.70 and 4,077.87 is: 6,116.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,437.77 : 20,156.70 = 4,077.87 : x
  2. Step 2: Convert to fraction form
    13,437.77/20,156.70 = 4,077.87/x
  3. Step 3: Cross multiply
    13,437.77x = 20,156.70 × 4,077.87
  4. Step 4: Simplify right side
    13,437.77x = 82,196,402.23
  5. Step 5: Solve for x
    x = 82,196,402.23/13,437.77
  6. Step 6: Final answer
    x = 6,116.82

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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.