Home / 13,343.91-20,013.59-4,458.23

Finding the Fourth Proportional to 13,343.91, 20,013.59 and 4,458.23

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Solution

The fourth proportional to 13,343.91, 20,013.59 and 4,458.23 is: 6,686.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,343.91 : 20,013.59 = 4,458.23 : x
  2. Step 2: Convert to fraction form
    13,343.91/20,013.59 = 4,458.23/x
  3. Step 3: Cross multiply
    13,343.91x = 20,013.59 × 4,458.23
  4. Step 4: Simplify right side
    13,343.91x = 89,225,156.76
  5. Step 5: Solve for x
    x = 89,225,156.76/13,343.91
  6. Step 6: Final answer
    x = 6,686.58

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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.