Home / 13,126.63-19,690.25-4,362.23

Finding the Fourth Proportional to 13,126.63, 19,690.25 and 4,362.23

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Solution

The fourth proportional to 13,126.63, 19,690.25 and 4,362.23 is: 6,543.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,126.63 : 19,690.25 = 4,362.23 : x
  2. Step 2: Convert to fraction form
    13,126.63/19,690.25 = 4,362.23/x
  3. Step 3: Cross multiply
    13,126.63x = 19,690.25 × 4,362.23
  4. Step 4: Simplify right side
    13,126.63x = 85,893,399.26
  5. Step 5: Solve for x
    x = 85,893,399.26/13,126.63
  6. Step 6: Final answer
    x = 6,543.45

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Double scale
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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.