Home / 13,124.45-19,685.87-5,333.06

Finding the Fourth Proportional to 13,124.45, 19,685.87 and 5,333.06

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Solution

The fourth proportional to 13,124.45, 19,685.87 and 5,333.06 is: 7,999.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,124.45 : 19,685.87 = 5,333.06 : x
  2. Step 2: Convert to fraction form
    13,124.45/19,685.87 = 5,333.06/x
  3. Step 3: Cross multiply
    13,124.45x = 19,685.87 × 5,333.06
  4. Step 4: Simplify right side
    13,124.45x = 104,985,925.86
  5. Step 5: Solve for x
    x = 104,985,925.86/13,124.45
  6. Step 6: Final answer
    x = 7,999.26

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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.