Home / 13,123.08-19,685.16-4,358.88

Finding the Fourth Proportional to 13,123.08, 19,685.16 and 4,358.88

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Solution

The fourth proportional to 13,123.08, 19,685.16 and 4,358.88 is: 6,538.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,123.08 : 19,685.16 = 4,358.88 : x
  2. Step 2: Convert to fraction form
    13,123.08/19,685.16 = 4,358.88/x
  3. Step 3: Cross multiply
    13,123.08x = 19,685.16 × 4,358.88
  4. Step 4: Simplify right side
    13,123.08x = 85,805,250.22
  5. Step 5: Solve for x
    x = 85,805,250.22/13,123.08
  6. Step 6: Final answer
    x = 6,538.50

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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.