Home / 18,543.34-27,814.75-4,503.47

Finding the Fourth Proportional to 18,543.34, 27,814.75 and 4,503.47

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Solution

The fourth proportional to 18,543.34, 27,814.75 and 4,503.47 is: 6,755.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,543.34 : 27,814.75 = 4,503.47 : x
  2. Step 2: Convert to fraction form
    18,543.34/27,814.75 = 4,503.47/x
  3. Step 3: Cross multiply
    18,543.34x = 27,814.75 × 4,503.47
  4. Step 4: Simplify right side
    18,543.34x = 125,262,950.46
  5. Step 5: Solve for x
    x = 125,262,950.46/18,543.34
  6. Step 6: Final answer
    x = 6,755.15

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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.