Home / 19,699.83-29,562.05-13,130.63

Finding the Fourth Proportional to 19,699.83, 29,562.05 and 13,130.63

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Solution

The fourth proportional to 19,699.83, 29,562.05 and 13,130.63 is: 19,704.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,699.83 : 29,562.05 = 13,130.63 : x
  2. Step 2: Convert to fraction form
    19,699.83/29,562.05 = 13,130.63/x
  3. Step 3: Cross multiply
    19,699.83x = 29,562.05 × 13,130.63
  4. Step 4: Simplify right side
    19,699.83x = 388,168,340.59
  5. Step 5: Solve for x
    x = 388,168,340.59/19,699.83
  6. Step 6: Final answer
    x = 19,704.15

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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.