Home / 18,513.17-27,771.93-6,501.63

Finding the Fourth Proportional to 18,513.17, 27,771.93 and 6,501.63

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Solution

The fourth proportional to 18,513.17, 27,771.93 and 6,501.63 is: 9,753.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,513.17 : 27,771.93 = 6,501.63 : x
  2. Step 2: Convert to fraction form
    18,513.17/27,771.93 = 6,501.63/x
  3. Step 3: Cross multiply
    18,513.17x = 27,771.93 × 6,501.63
  4. Step 4: Simplify right side
    18,513.17x = 180,562,780.74
  5. Step 5: Solve for x
    x = 180,562,780.74/18,513.17
  6. Step 6: Final answer
    x = 9,753.21

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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.