Home / 18,740.04-25,862.46-10,782.12

Finding the Fourth Proportional to 18,740.04, 25,862.46 and 10,782.12

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Solution

The fourth proportional to 18,740.04, 25,862.46 and 10,782.12 is: 14,880.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,740.04 : 25,862.46 = 10,782.12 : x
  2. Step 2: Convert to fraction form
    18,740.04/25,862.46 = 10,782.12/x
  3. Step 3: Cross multiply
    18,740.04x = 25,862.46 × 10,782.12
  4. Step 4: Simplify right side
    18,740.04x = 278,852,147.22
  5. Step 5: Solve for x
    x = 278,852,147.22/18,740.04
  6. Step 6: Final answer
    x = 14,880.02

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.