Home / 13,324.32-18,387.27-7,274.35

Finding the Fourth Proportional to 13,324.32, 18,387.27 and 7,274.35

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Solution

The fourth proportional to 13,324.32, 18,387.27 and 7,274.35 is: 10,038.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,324.32 : 18,387.27 = 7,274.35 : x
  2. Step 2: Convert to fraction form
    13,324.32/18,387.27 = 7,274.35/x
  3. Step 3: Cross multiply
    13,324.32x = 18,387.27 × 7,274.35
  4. Step 4: Simplify right side
    13,324.32x = 133,755,483.49
  5. Step 5: Solve for x
    x = 133,755,483.49/13,324.32
  6. Step 6: Final answer
    x = 10,038.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.