Home / 19,543.39-29,314.67-4,752.38

Finding the Fourth Proportional to 19,543.39, 29,314.67 and 4,752.38

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Solution

The fourth proportional to 19,543.39, 29,314.67 and 4,752.38 is: 7,128.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,543.39 : 29,314.67 = 4,752.38 : x
  2. Step 2: Convert to fraction form
    19,543.39/29,314.67 = 4,752.38/x
  3. Step 3: Cross multiply
    19,543.39x = 29,314.67 × 4,752.38
  4. Step 4: Simplify right side
    19,543.39x = 139,314,451.41
  5. Step 5: Solve for x
    x = 139,314,451.41/19,543.39
  6. Step 6: Final answer
    x = 7,128.47

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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.