Home / 13,095.79-19,643.69-10,782.43

Finding the Fourth Proportional to 13,095.79, 19,643.69 and 10,782.43

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Solution

The fourth proportional to 13,095.79, 19,643.69 and 10,782.43 is: 16,173.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,095.79 : 19,643.69 = 10,782.43 : x
  2. Step 2: Convert to fraction form
    13,095.79/19,643.69 = 10,782.43/x
  3. Step 3: Cross multiply
    13,095.79x = 19,643.69 × 10,782.43
  4. Step 4: Simplify right side
    13,095.79x = 211,806,712.37
  5. Step 5: Solve for x
    x = 211,806,712.37/13,095.79
  6. Step 6: Final answer
    x = 16,173.65

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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.