Home / 15,651.80-23,535.30-13,117.40

Finding the Fourth Proportional to 15,651.80, 23,535.30 and 13,117.40

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Solution

The fourth proportional to 15,651.80, 23,535.30 and 13,117.40 is: 19,724.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,651.80 : 23,535.30 = 13,117.40 : x
  2. Step 2: Convert to fraction form
    15,651.80/23,535.30 = 13,117.40/x
  3. Step 3: Cross multiply
    15,651.80x = 23,535.30 × 13,117.40
  4. Step 4: Simplify right side
    15,651.80x = 308,721,944.22
  5. Step 5: Solve for x
    x = 308,721,944.22/15,651.80
  6. Step 6: Final answer
    x = 19,724.37

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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.