Home / 19,542.14-29,312.80-4,751.13

Finding the Fourth Proportional to 19,542.14, 29,312.80 and 4,751.13

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Solution

The fourth proportional to 19,542.14, 29,312.80 and 4,751.13 is: 7,126.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,542.14 : 29,312.80 = 4,751.13 : x
  2. Step 2: Convert to fraction form
    19,542.14/29,312.80 = 4,751.13/x
  3. Step 3: Cross multiply
    19,542.14x = 29,312.80 × 4,751.13
  4. Step 4: Simplify right side
    19,542.14x = 139,268,911.59
  5. Step 5: Solve for x
    x = 139,268,911.59/19,542.14
  6. Step 6: Final answer
    x = 7,126.60

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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.