Home / 13,595.47-20,397.83-4,237.61

Finding the Fourth Proportional to 13,595.47, 20,397.83 and 4,237.61

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Solution

The fourth proportional to 13,595.47, 20,397.83 and 4,237.61 is: 6,357.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,595.47 : 20,397.83 = 4,237.61 : x
  2. Step 2: Convert to fraction form
    13,595.47/20,397.83 = 4,237.61/x
  3. Step 3: Cross multiply
    13,595.47x = 20,397.83 × 4,237.61
  4. Step 4: Simplify right side
    13,595.47x = 86,437,925.21
  5. Step 5: Solve for x
    x = 86,437,925.21/13,595.47
  6. Step 6: Final answer
    x = 6,357.85

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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.